Finding the Fourth Proportional to 109,317.88, 150,900.99 and 85,452.24

Step by Step Solution

1. Step 1: Write the proportion equation
   109,317.88 : 150,900.99 = 85,452.24 : x
2. Step 2: Convert to fraction form
   109,317.88/150,900.99 = 85,452.24/x
3. Step 3: Cross multiply
   109,317.88x = 150,900.99 × 85,452.24
4. Step 4: Simplify right side
   109,317.88x = 12,894,827,613.72
5. Step 5: Solve for x
   x = 12,894,827,613.72/109,317.88
6. Step 6: Final answer
   x = 117,957.17