Finding the Fourth Proportional to 107,385.12, 148,191.46 and 59,642.91

Step by Step Solution

1. Step 1: Write the proportion equation
   107,385.12 : 148,191.46 = 59,642.91 : x
2. Step 2: Convert to fraction form
   107,385.12/148,191.46 = 59,642.91/x
3. Step 3: Cross multiply
   107,385.12x = 148,191.46 × 59,642.91
4. Step 4: Simplify right side
   107,385.12x = 8,838,569,597.27
5. Step 5: Solve for x
   x = 8,838,569,597.27/107,385.12
6. Step 6: Final answer
   x = 82,307.21