Finding the Fourth Proportional to 9,024.57, 12,455.52 and 5,440.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,024.57 : 12,455.52 = 5,440.17 : x
2. Step 2: Convert to fraction form
   9,024.57/12,455.52 = 5,440.17/x
3. Step 3: Cross multiply
   9,024.57x = 12,455.52 × 5,440.17
4. Step 4: Simplify right side
   9,024.57x = 67,760,146.24
5. Step 5: Solve for x
   x = 67,760,146.24/9,024.57
6. Step 6: Final answer
   x = 7,508.41