Finding the Fourth Proportional to 156,594.32, 216,085.56 and 88,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,594.32 : 216,085.56 = 88,617.50 : x
2. Step 2: Convert to fraction form
   156,594.32/216,085.56 = 88,617.50/x
3. Step 3: Cross multiply
   156,594.32x = 216,085.56 × 88,617.50
4. Step 4: Simplify right side
   156,594.32x = 19,148,962,113.30
5. Step 5: Solve for x
   x = 19,148,962,113.30/156,594.32
6. Step 6: Final answer
   x = 122,283.89