Finding the Fourth Proportional to 11,233.46, 15,481.50 and 9,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,233.46 : 15,481.50 = 9,002.72 : x
2. Step 2: Convert to fraction form
   11,233.46/15,481.50 = 9,002.72/x
3. Step 3: Cross multiply
   11,233.46x = 15,481.50 × 9,002.72
4. Step 4: Simplify right side
   11,233.46x = 139,375,609.68
5. Step 5: Solve for x
   x = 139,375,609.68/11,233.46
6. Step 6: Final answer
   x = 12,407.18