Finding the Fourth Proportional to 11,337.52, 15,648.24 and 7,144.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,337.52 : 15,648.24 = 7,144.96 : x
2. Step 2: Convert to fraction form
   11,337.52/15,648.24 = 7,144.96/x
3. Step 3: Cross multiply
   11,337.52x = 15,648.24 × 7,144.96
4. Step 4: Simplify right side
   11,337.52x = 111,806,048.87
5. Step 5: Solve for x
   x = 111,806,048.87/11,337.52
6. Step 6: Final answer
   x = 9,861.60