Finding the Fourth Proportional to 9,025.17, 12,449.73 and 5,247.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025.17 : 12,449.73 = 5,247.91 : x
2. Step 2: Convert to fraction form
   9,025.17/12,449.73 = 5,247.91/x
3. Step 3: Cross multiply
   9,025.17x = 12,449.73 × 5,247.91
4. Step 4: Simplify right side
   9,025.17x = 65,335,036.32
5. Step 5: Solve for x
   x = 65,335,036.32/9,025.17
6. Step 6: Final answer
   x = 7,239.21