Finding the Fourth Proportional to 9,466.72, 13,066.28 and 5,490.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,466.72 : 13,066.28 = 5,490.04 : x
2. Step 2: Convert to fraction form
   9,466.72/13,066.28 = 5,490.04/x
3. Step 3: Cross multiply
   9,466.72x = 13,066.28 × 5,490.04
4. Step 4: Simplify right side
   9,466.72x = 71,734,399.85
5. Step 5: Solve for x
   x = 71,734,399.85/9,466.72
6. Step 6: Final answer
   x = 7,577.53