Finding the Fourth Proportional to 82,520.66, 123,761.08 and 38,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,520.66 : 123,761.08 = 38,104.72 : x
2. Step 2: Convert to fraction form
   82,520.66/123,761.08 = 38,104.72/x
3. Step 3: Cross multiply
   82,520.66x = 123,761.08 × 38,104.72
4. Step 4: Simplify right side
   82,520.66x = 4,715,881,300.30
5. Step 5: Solve for x
   x = 4,715,881,300.30/82,520.66
6. Step 6: Final answer
   x = 57,147.89