Finding the Fourth Proportional to 12,650.92, 17,458.02 and 7,061.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.92 : 17,458.02 = 7,061.80 : x
2. Step 2: Convert to fraction form
   12,650.92/17,458.02 = 7,061.80/x
3. Step 3: Cross multiply
   12,650.92x = 17,458.02 × 7,061.80
4. Step 4: Simplify right side
   12,650.92x = 123,285,045.64
5. Step 5: Solve for x
   x = 123,285,045.64/12,650.92
6. Step 6: Final answer
   x = 9,745.14