Finding the Fourth Proportional to 12,648.96, 17,456.04 and 7,061.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.96 : 17,456.04 = 7,061.04 : x
2. Step 2: Convert to fraction form
   12,648.96/17,456.04 = 7,061.04/x
3. Step 3: Cross multiply
   12,648.96x = 17,456.04 × 7,061.04
4. Step 4: Simplify right side
   12,648.96x = 123,257,796.68
5. Step 5: Solve for x
   x = 123,257,796.68/12,648.96
6. Step 6: Final answer
   x = 9,744.50