Finding the Fourth Proportional to 156,626.08, 216,143.89 and 88,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   156,626.08 : 216,143.89 = 88,641.82 : x
2. Step 2: Convert to fraction form
   156,626.08/216,143.89 = 88,641.82/x
3. Step 3: Cross multiply
   156,626.08x = 216,143.89 × 88,641.82
4. Step 4: Simplify right side
   156,626.08x = 19,159,387,791.48
5. Step 5: Solve for x
   x = 19,159,387,791.48/156,626.08
6. Step 6: Final answer
   x = 122,325.65