Finding the Fourth Proportional to 7,520.57, 10,367.52 and 5,275.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,520.57 : 10,367.52 = 5,275.47 : x
2. Step 2: Convert to fraction form
   7,520.57/10,367.52 = 5,275.47/x
3. Step 3: Cross multiply
   7,520.57x = 10,367.52 × 5,275.47
4. Step 4: Simplify right side
   7,520.57x = 54,693,540.73
5. Step 5: Solve for x
   x = 54,693,540.73/7,520.57
6. Step 6: Final answer
   x = 7,272.53