Finding the Fourth Proportional to 11,204.88, 15,453 and 7,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,204.88 : 15,453 = 7,224.72 : x
2. Step 2: Convert to fraction form
   11,204.88/15,453 = 7,224.72/x
3. Step 3: Cross multiply
   11,204.88x = 15,453 × 7,224.72
4. Step 4: Simplify right side
   11,204.88x = 111,643,598.16
5. Step 5: Solve for x
   x = 111,643,598.16/11,204.88
6. Step 6: Final answer
   x = 9,963.84