Finding the Fourth Proportional to 9,662.40, 13,331.52 and 5,470.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.40 : 13,331.52 = 5,470.56 : x
2. Step 2: Convert to fraction form
   9,662.40/13,331.52 = 5,470.56/x
3. Step 3: Cross multiply
   9,662.40x = 13,331.52 × 5,470.56
4. Step 4: Simplify right side
   9,662.40x = 72,930,880.05
5. Step 5: Solve for x
   x = 72,930,880.05/9,662.40
6. Step 6: Final answer
   x = 7,547.91