Finding the Fourth Proportional to 52,406,647.88, 72,320,205.38 and 28,564,480.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,406,647.88 : 72,320,205.38 = 28,564,480.53 : x
2. Step 2: Convert to fraction form
   52,406,647.88/72,320,205.38 = 28,564,480.53/x
3. Step 3: Cross multiply
   52,406,647.88x = 72,320,205.38 × 28,564,480.53
4. Step 4: Simplify right side
   52,406,647.88x = 2,065,789,098,359,789
5. Step 5: Solve for x
   x = 2,065,789,098,359,789/52,406,647.88
6. Step 6: Final answer
   x = 39,418,455.14