Finding the Fourth Proportional to 7,661.52, 10,571.18 and 5,540.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,661.52 : 10,571.18 = 5,540.27 : x
2. Step 2: Convert to fraction form
   7,661.52/10,571.18 = 5,540.27/x
3. Step 3: Cross multiply
   7,661.52x = 10,571.18 × 5,540.27
4. Step 4: Simplify right side
   7,661.52x = 58,567,110.86
5. Step 5: Solve for x
   x = 58,567,110.86/7,661.52
6. Step 6: Final answer
   x = 7,644.32