Finding the Fourth Proportional to 9,517.30, 13,135.25 and 5,540.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,517.30 : 13,135.25 = 5,540.61 : x
2. Step 2: Convert to fraction form
   9,517.30/13,135.25 = 5,540.61/x
3. Step 3: Cross multiply
   9,517.30x = 13,135.25 × 5,540.61
4. Step 4: Simplify right side
   9,517.30x = 72,777,297.50
5. Step 5: Solve for x
   x = 72,777,297.50/9,517.30
6. Step 6: Final answer
   x = 7,646.84