Finding the Fourth Proportional to 9,007.24, 12,429.54 and 5,281

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.24 : 12,429.54 = 5,281 : x
2. Step 2: Convert to fraction form
   9,007.24/12,429.54 = 5,281/x
3. Step 3: Cross multiply
   9,007.24x = 12,429.54 × 5,281
4. Step 4: Simplify right side
   9,007.24x = 65,640,400.74
5. Step 5: Solve for x
   x = 65,640,400.74/9,007.24
6. Step 6: Final answer
   x = 7,287.52