Finding the Fourth Proportional to 9,452.72, 13,041.78 and 5,472.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,452.72 : 13,041.78 = 5,472.80 : x
2. Step 2: Convert to fraction form
   9,452.72/13,041.78 = 5,472.80/x
3. Step 3: Cross multiply
   9,452.72x = 13,041.78 × 5,472.80
4. Step 4: Simplify right side
   9,452.72x = 71,375,053.58
5. Step 5: Solve for x
   x = 71,375,053.58/9,452.72
6. Step 6: Final answer
   x = 7,550.74