Finding the Fourth Proportional to 6,931.24, 9,567.39 and 5,517.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,931.24 : 9,567.39 = 5,517.52 : x
2. Step 2: Convert to fraction form
   6,931.24/9,567.39 = 5,517.52/x
3. Step 3: Cross multiply
   6,931.24x = 9,567.39 × 5,517.52
4. Step 4: Simplify right side
   6,931.24x = 52,788,265.67
5. Step 5: Solve for x
   x = 52,788,265.67/6,931.24
6. Step 6: Final answer
   x = 7,615.99