Webgeorge michael died of natural causes on dec. Here are all the details behind george michael’s sudden death and the legacy he left behind. Webwhat was george michael's net worth at the time of his death? George michael had an estimated net worth of $200 million at the time of his death. Webgeorge had left most of his $128 million fortune to melanie and his other sister, yioda, and, according to a source speaking to the sun, the former's share will be.