Finding the Fourth Proportional to 82,491.30, 123,752.34 and 38,088.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,491.30 : 123,752.34 = 38,088.72 : x
2. Step 2: Convert to fraction form
   82,491.30/123,752.34 = 38,088.72/x
3. Step 3: Cross multiply
   82,491.30x = 123,752.34 × 38,088.72
4. Step 4: Simplify right side
   82,491.30x = 4,713,568,227.60
5. Step 5: Solve for x
   x = 4,713,568,227.60/82,491.30
6. Step 6: Final answer
   x = 57,140.19