Finding the Fourth Proportional to 656,635,156.05, 906,149,796.89 and 363,281,823.57

Step by Step Solution

1. Step 1: Write the proportion equation
   656,635,156.05 : 906,149,796.89 = 363,281,823.57 : x
2. Step 2: Convert to fraction form
   656,635,156.05/906,149,796.89 = 363,281,823.57/x
3. Step 3: Cross multiply
   656,635,156.05x = 906,149,796.89 × 363,281,823.57
4. Step 4: Simplify right side
   656,635,156.05x = 329,187,750,639,967,872
5. Step 5: Solve for x
   x = 329,187,750,639,967,872/656,635,156.05
6. Step 6: Final answer
   x = 501,325,199.55