Finding the Fourth Proportional to 9,024.24, 13,500.72 and 8,471.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,024.24 : 13,500.72 = 8,471.28 : x
2. Step 2: Convert to fraction form
   9,024.24/13,500.72 = 8,471.28/x
3. Step 3: Cross multiply
   9,024.24x = 13,500.72 × 8,471.28
4. Step 4: Simplify right side
   9,024.24x = 114,368,379.32
5. Step 5: Solve for x
   x = 114,368,379.32/9,024.24
6. Step 6: Final answer
   x = 12,673.46