Finding the Fourth Proportional to 82,536.88, 123,785.52 and 38,121.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,536.88 : 123,785.52 = 38,121.04 : x
2. Step 2: Convert to fraction form
   82,536.88/123,785.52 = 38,121.04/x
3. Step 3: Cross multiply
   82,536.88x = 123,785.52 × 38,121.04
4. Step 4: Simplify right side
   82,536.88x = 4,718,832,759.34
5. Step 5: Solve for x
   x = 4,718,832,759.34/82,536.88
6. Step 6: Final answer
   x = 57,172.42