Finding the Fourth Proportional to 118,081.75, 162,957.20 and 67,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   118,081.75 : 162,957.20 = 67,103.12 : x
2. Step 2: Convert to fraction form
   118,081.75/162,957.20 = 67,103.12/x
3. Step 3: Cross multiply
   118,081.75x = 162,957.20 × 67,103.12
4. Step 4: Simplify right side
   118,081.75x = 10,934,937,049.73
5. Step 5: Solve for x
   x = 10,934,937,049.73/118,081.75
6. Step 6: Final answer
   x = 92,604.80