Finding the Fourth Proportional to 12,650.55, 17,457.72 and 7,061.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.55 : 17,457.72 = 7,061.55 : x
2. Step 2: Convert to fraction form
   12,650.55/17,457.72 = 7,061.55/x
3. Step 3: Cross multiply
   12,650.55x = 17,457.72 × 7,061.55
4. Step 4: Simplify right side
   12,650.55x = 123,278,562.67
5. Step 5: Solve for x
   x = 123,278,562.67/12,650.55
6. Step 6: Final answer
   x = 9,744.92