Former President Donald Trump needed someone to post a $175 bond while he appeals Justice Arthur Engoron’s sanctions in New York State Attorney General Letitia James’ civil fraud lawsuit — and he found it in 80-year-old billionaire Don Hankey, chairman of the Knight Specialty Insurance Co. Bloomberg News’ Erik Larsen takes an in-depth look at Hankey in an article published on April 1, describing him as someone “whose fortune stems from car dealerships, real estate and financial services.” Hankey is richer than Trump. While Forbes has estimated Trump’s total net worth to be around $2.6 billion,…