Finding the Fourth Proportional to 12,040.56, 16,609 and 7,257.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.56 : 16,609 = 7,257.24 : x
2. Step 2: Convert to fraction form
   12,040.56/16,609 = 7,257.24/x
3. Step 3: Cross multiply
   12,040.56x = 16,609 × 7,257.24
4. Step 4: Simplify right side
   12,040.56x = 120,535,499.16
5. Step 5: Solve for x
   x = 120,535,499.16/12,040.56
6. Step 6: Final answer
   x = 10,010.79