Finding the Fourth Proportional to 82,521.08, 123,761.78 and 38,105.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,521.08 : 123,761.78 = 38,105.16 : x
2. Step 2: Convert to fraction form
   82,521.08/123,761.78 = 38,105.16/x
3. Step 3: Cross multiply
   82,521.08x = 123,761.78 × 38,105.16
4. Step 4: Simplify right side
   82,521.08x = 4,715,962,428.78
5. Step 5: Solve for x
   x = 4,715,962,428.78/82,521.08
6. Step 6: Final answer
   x = 57,148.58