Finding the Fourth Proportional to 150,168.38, 207,307.32 and 86,493.88

Step by Step Solution

1. Step 1: Write the proportion equation
   150,168.38 : 207,307.32 = 86,493.88 : x
2. Step 2: Convert to fraction form
   150,168.38/207,307.32 = 86,493.88/x
3. Step 3: Cross multiply
   150,168.38x = 207,307.32 × 86,493.88
4. Step 4: Simplify right side
   150,168.38x = 17,930,813,957.67
5. Step 5: Solve for x
   x = 17,930,813,957.67/150,168.38
6. Step 6: Final answer
   x = 119,404.72