Finding the Fourth Proportional to 10,545.24, 14,548.56 and 8,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,545.24 : 14,548.56 = 8,123.32 : x
2. Step 2: Convert to fraction form
   10,545.24/14,548.56 = 8,123.32/x
3. Step 3: Cross multiply
   10,545.24x = 14,548.56 × 8,123.32
4. Step 4: Simplify right side
   10,545.24x = 118,182,608.42
5. Step 5: Solve for x
   x = 118,182,608.42/10,545.24
6. Step 6: Final answer
   x = 11,207.20