Finding the Fourth Proportional to 82,737.18, 124,085.34 and 38,321.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,737.18 : 124,085.34 = 38,321.28 : x
2. Step 2: Convert to fraction form
   82,737.18/124,085.34 = 38,321.28/x
3. Step 3: Cross multiply
   82,737.18x = 124,085.34 × 38,321.28
4. Step 4: Simplify right side
   82,737.18x = 4,755,109,058.04
5. Step 5: Solve for x
   x = 4,755,109,058.04/82,737.18
6. Step 6: Final answer
   x = 57,472.46