Finding the Fourth Proportional to 9,469.42, 13,066.27 and 5,489.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.42 : 13,066.27 = 5,489.76 : x
2. Step 2: Convert to fraction form
   9,469.42/13,066.27 = 5,489.76/x
3. Step 3: Cross multiply
   9,469.42x = 13,066.27 × 5,489.76
4. Step 4: Simplify right side
   9,469.42x = 71,730,686.40
5. Step 5: Solve for x
   x = 71,730,686.40/9,469.42
6. Step 6: Final answer
   x = 7,574.98