Finding the Fourth Proportional to 82,516.10, 123,754.21 and 38,100.15

Step by Step Solution

1. Step 1: Write the proportion equation
   82,516.10 : 123,754.21 = 38,100.15 : x
2. Step 2: Convert to fraction form
   82,516.10/123,754.21 = 38,100.15/x
3. Step 3: Cross multiply
   82,516.10x = 123,754.21 × 38,100.15
4. Step 4: Simplify right side
   82,516.10x = 4,715,053,868.88
5. Step 5: Solve for x
   x = 4,715,053,868.88/82,516.10
6. Step 6: Final answer
   x = 57,141.02