Finding the Fourth Proportional to 9,441.28, 13,024.56 and 5,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,441.28 : 13,024.56 = 5,662.72 : x
2. Step 2: Convert to fraction form
   9,441.28/13,024.56 = 5,662.72/x
3. Step 3: Cross multiply
   9,441.28x = 13,024.56 × 5,662.72
4. Step 4: Simplify right side
   9,441.28x = 73,754,436.40
5. Step 5: Solve for x
   x = 73,754,436.40/9,441.28
6. Step 6: Final answer
   x = 7,811.91