The most expensive escorts don't charge by hour and 4k/hr is far by the highest rates.
In a few weeks, some of the most powerful (and pleasure seeker) men in the world will be in the south of France for the Cannes Film Festival and the F1 Monaco GP In the yacht afterparties, arrangements will be made for next summer. Mainstream actresses and supermodels. Prices start at 100k for the weekend, but it's easy enough to go up to half a million and more for a full week.