Finding the Fourth Proportional to 12,254.31, 18,366.89 and 7,049.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,254.31 : 18,366.89 = 7,049.25 : x
2. Step 2: Convert to fraction form
   12,254.31/18,366.89 = 7,049.25/x
3. Step 3: Cross multiply
   12,254.31x = 18,366.89 × 7,049.25
4. Step 4: Simplify right side
   12,254.31x = 129,472,764.09
5. Step 5: Solve for x
   x = 129,472,764.09/12,254.31
6. Step 6: Final answer
   x = 10,565.49