Finding the Fourth Proportional to 522,082,875,091.69, 720,474,402,272.83 and 290,591,426,436.71

Step by Step Solution

1. Step 1: Write the proportion equation
   522,082,875,091.69 : 720,474,402,272.83 = 290,591,426,436.71 : x
2. Step 2: Convert to fraction form
   522,082,875,091.69/720,474,402,272.83 = 290,591,426,436.71/x
3. Step 3: Cross multiply
   522,082,875,091.69x = 720,474,402,272.83 × 290,591,426,436.71
4. Step 4: Simplify right side
   522,082,875,091.69x = 209,363,684,267,597,706,035,200
5. Step 5: Solve for x
   x = 209,363,684,267,597,706,035,200/522,082,875,091.69
6. Step 6: Final answer
   x = 401,016,187,766.80