Finding the Fourth Proportional to 9,469.28, 13,067.25 and 5,490.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.28 : 13,067.25 = 5,490.56 : x
2. Step 2: Convert to fraction form
   9,469.28/13,067.25 = 5,490.56/x
3. Step 3: Cross multiply
   9,469.28x = 13,067.25 × 5,490.56
4. Step 4: Simplify right side
   9,469.28x = 71,746,520.16
5. Step 5: Solve for x
   x = 71,746,520.16/9,469.28
6. Step 6: Final answer
   x = 7,576.77