Finding the Fourth Proportional to 82,111.18, 113,158.58 and 59,411.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,111.18 : 113,158.58 = 59,411.74 : x
2. Step 2: Convert to fraction form
   82,111.18/113,158.58 = 59,411.74/x
3. Step 3: Cross multiply
   82,111.18x = 113,158.58 × 59,411.74
4. Step 4: Simplify right side
   82,111.18x = 6,722,948,133.73
5. Step 5: Solve for x
   x = 6,722,948,133.73/82,111.18
6. Step 6: Final answer
   x = 81,876.16