Finding the Fourth Proportional to 12,608.26, 17,399.25 and 6,942.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608.26 : 17,399.25 = 6,942.89 : x
2. Step 2: Convert to fraction form
   12,608.26/17,399.25 = 6,942.89/x
3. Step 3: Cross multiply
   12,608.26x = 17,399.25 × 6,942.89
4. Step 4: Simplify right side
   12,608.26x = 120,801,078.83
5. Step 5: Solve for x
   x = 120,801,078.83/12,608.26
6. Step 6: Final answer
   x = 9,581.11