Finding the Fourth Proportional to 156,625.08, 216,142.52 and 88,640.82

Step by Step Solution

1. Step 1: Write the proportion equation
   156,625.08 : 216,142.52 = 88,640.82 : x
2. Step 2: Convert to fraction form
   156,625.08/216,142.52 = 88,640.82/x
3. Step 3: Cross multiply
   156,625.08x = 216,142.52 × 88,640.82
4. Step 4: Simplify right side
   156,625.08x = 19,159,049,766.46
5. Step 5: Solve for x
   x = 19,159,049,766.46/156,625.08
6. Step 6: Final answer
   x = 122,324.28