Finding the Fourth Proportional to 11,234.46, 15,482.88 and 9,003.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,234.46 : 15,482.88 = 9,003.72 : x
2. Step 2: Convert to fraction form
   11,234.46/15,482.88 = 9,003.72/x
3. Step 3: Cross multiply
   11,234.46x = 15,482.88 × 9,003.72
4. Step 4: Simplify right side
   11,234.46x = 139,403,516.31
5. Step 5: Solve for x
   x = 139,403,516.31/11,234.46
6. Step 6: Final answer
   x = 12,408.56