Finding the Fourth Proportional to 9,516.66, 13,132.99 and 5,540.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.66 : 13,132.99 = 5,540.42 : x
2. Step 2: Convert to fraction form
   9,516.66/13,132.99 = 5,540.42/x
3. Step 3: Cross multiply
   9,516.66x = 13,132.99 × 5,540.42
4. Step 4: Simplify right side
   9,516.66x = 72,762,215.18
5. Step 5: Solve for x
   x = 72,762,215.18/9,516.66
6. Step 6: Final answer
   x = 7,645.78