The US Government has already given its approval of the purchase, but with the wide reach of the two companies, other countries will need to be worked with.
Fox will keep Fox News, Fox Sports and the Fox broadcasting network as a separate company.
Last month, the U.S. Department of Justice entered into a consent decree with Disney and 21st Century Fox that allows the transaction to proceed, while requiring the sale of the Fox Sports Regional Networks. But Roberts and Comcast dropped out of the running for Fox's assets last week, opting instead to focus on its battle with Fox to acquire United Kingdom broadcaster Sky.
The big media-entertainment firms are pursuing deals as they seek to slow the rise of streaming media platforms like Netflix and Amazon, and prepare for the entry into the sector by Silicon Valley giants like Google and Facebook.
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Now the latest development of shareholder approval clears the path for the Disney-Fox deal to be finalized in early 2019. 21st Century Fox is home to popular franchises such as X-Men , Deadpool , The Simpsons, Ice Age and Planet of the Apes. Fox had 21,700 employees at year-end, according to data compiled by Bloomberg, while Disney has 199,000.
Nearly like the takeover of a football club, the ongoing saga between Disney and 21st Century Fox has dragged on for a while now.
Fox executive chairman and media mogul Ruper Murdoch said that after the move he expects the new combined venture to become " pre-eminent in the entertainment and media industries".
The deal still needs to be reviewed by worldwide regulators, and the companies say other "customary closing conditions" are still pending.
Disney will get the film and television studios, cable networks like FX and NatGeo, Fox's 30 percent stake in Hulu, Star India, and Fox's 39 percent stake in European pay TV company Sky.