Finding the Fourth Proportional to 9,052.48, 12,491.20 and 5,224.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052.48 : 12,491.20 = 5,224.24 : x
2. Step 2: Convert to fraction form
   9,052.48/12,491.20 = 5,224.24/x
3. Step 3: Cross multiply
   9,052.48x = 12,491.20 × 5,224.24
4. Step 4: Simplify right side
   9,052.48x = 65,257,026.69
5. Step 5: Solve for x
   x = 65,257,026.69/9,052.48
6. Step 6: Final answer
   x = 7,208.75