Finding the Fourth Proportional to 12,668.52, 17,493.30 and 9,519.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,668.52 : 17,493.30 = 9,519.24 : x
2. Step 2: Convert to fraction form
   12,668.52/17,493.30 = 9,519.24/x
3. Step 3: Cross multiply
   12,668.52x = 17,493.30 × 9,519.24
4. Step 4: Simplify right side
   12,668.52x = 166,522,921.09
5. Step 5: Solve for x
   x = 166,522,921.09/12,668.52
6. Step 6: Final answer
   x = 13,144.62