Finding the Fourth Proportional to 656,635,196.30, 906,149,852.42 and 363,281,863.82

Step by Step Solution

1. Step 1: Write the proportion equation
   656,635,196.30 : 906,149,852.42 = 363,281,863.82 : x
2. Step 2: Convert to fraction form
   656,635,196.30/906,149,852.42 = 363,281,863.82/x
3. Step 3: Cross multiply
   656,635,196.30x = 906,149,852.42 × 363,281,863.82
4. Step 4: Simplify right side
   656,635,196.30x = 329,187,807,287,355,520
5. Step 5: Solve for x
   x = 329,187,807,287,355,520/656,635,196.30
6. Step 6: Final answer
   x = 501,325,255.09