Finding the Fourth Proportional to 12,227.31, 18,350.15 and 5,658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,227.31 : 18,350.15 = 5,658.10 : x
2. Step 2: Convert to fraction form
   12,227.31/18,350.15 = 5,658.10/x
3. Step 3: Cross multiply
   12,227.31x = 18,350.15 × 5,658.10
4. Step 4: Simplify right side
   12,227.31x = 103,826,983.72
5. Step 5: Solve for x
   x = 103,826,983.72/12,227.31
6. Step 6: Final answer
   x = 8,491.40