Finding the Fourth Proportional to 12,500.66, 17,227.06 and 8,957.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,500.66 : 17,227.06 = 8,957.72 : x
2. Step 2: Convert to fraction form
   12,500.66/17,227.06 = 8,957.72/x
3. Step 3: Cross multiply
   12,500.66x = 17,227.06 × 8,957.72
4. Step 4: Simplify right side
   12,500.66x = 154,315,179.90
5. Step 5: Solve for x
   x = 154,315,179.90/12,500.66
6. Step 6: Final answer
   x = 12,344.56