Finding the Fourth Proportional to 156,635.24, 216,105.18 and 88,645.46

Step by Step Solution

1. Step 1: Write the proportion equation
   156,635.24 : 216,105.18 = 88,645.46 : x
2. Step 2: Convert to fraction form
   156,635.24/216,105.18 = 88,645.46/x
3. Step 3: Cross multiply
   156,635.24x = 216,105.18 × 88,645.46
4. Step 4: Simplify right side
   156,635.24x = 19,156,743,089.48
5. Step 5: Solve for x
   x = 19,156,743,089.48/156,635.24
6. Step 6: Final answer
   x = 122,301.62