Finding the Fourth Proportional to 12,650.32, 17,458.20 and 7,061.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.32 : 17,458.20 = 7,061.68 : x
2. Step 2: Convert to fraction form
   12,650.32/17,458.20 = 7,061.68/x
3. Step 3: Cross multiply
   12,650.32x = 17,458.20 × 7,061.68
4. Step 4: Simplify right side
   12,650.32x = 123,284,221.78
5. Step 5: Solve for x
   x = 123,284,221.78/12,650.32
6. Step 6: Final answer
   x = 9,745.54