Finding the Fourth Proportional to 82,487,089.56, 123,542,158.50 and 39,386,480.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,487,089.56 : 123,542,158.50 = 39,386,480.92 : x
2. Step 2: Convert to fraction form
   82,487,089.56/123,542,158.50 = 39,386,480.92/x
3. Step 3: Cross multiply
   82,487,089.56x = 123,542,158.50 × 39,386,480.92
4. Step 4: Simplify right side
   82,487,089.56x = 4,865,890,868,575,866
5. Step 5: Solve for x
   x = 4,865,890,868,575,866/82,487,089.56
6. Step 6: Final answer
   x = 58,989,726.69