Finding the Fourth Proportional to 12,426.18, 17,147.67 and 6,760.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.18 : 17,147.67 = 6,760.70 : x
2. Step 2: Convert to fraction form
   12,426.18/17,147.67 = 6,760.70/x
3. Step 3: Cross multiply
   12,426.18x = 17,147.67 × 6,760.70
4. Step 4: Simplify right side
   12,426.18x = 115,930,205.78
5. Step 5: Solve for x
   x = 115,930,205.78/12,426.18
6. Step 6: Final answer
   x = 9,329.52