Finding the Fourth Proportional to 82,768.62, 124,165.29 and 38,399.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,768.62 : 124,165.29 = 38,399.86 : x
2. Step 2: Convert to fraction form
   82,768.62/124,165.29 = 38,399.86/x
3. Step 3: Cross multiply
   82,768.62x = 124,165.29 × 38,399.86
4. Step 4: Simplify right side
   82,768.62x = 4,767,929,752.86
5. Step 5: Solve for x
   x = 4,767,929,752.86/82,768.62
6. Step 6: Final answer
   x = 57,605.52