Finding the Fourth Proportional to 82,669.20, 123,937.02 and 29,331.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,669.20 : 123,937.02 = 29,331.78 : x
2. Step 2: Convert to fraction form
   82,669.20/123,937.02 = 29,331.78/x
3. Step 3: Cross multiply
   82,669.20x = 123,937.02 × 29,331.78
4. Step 4: Simplify right side
   82,669.20x = 3,635,293,404.50
5. Step 5: Solve for x
   x = 3,635,293,404.50/82,669.20
6. Step 6: Final answer
   x = 43,973.98