Finding the Fourth Proportional to 12,613.88, 17,407.50 and 7,025.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613.88 : 17,407.50 = 7,025.24 : x
2. Step 2: Convert to fraction form
   12,613.88/17,407.50 = 7,025.24/x
3. Step 3: Cross multiply
   12,613.88x = 17,407.50 × 7,025.24
4. Step 4: Simplify right side
   12,613.88x = 122,291,865.30
5. Step 5: Solve for x
   x = 122,291,865.30/12,613.88
6. Step 6: Final answer
   x = 9,695.02