Finding the Fourth Proportional to 12,608.43, 17,399.48 and 6,943.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608.43 : 17,399.48 = 6,943.07 : x
2. Step 2: Convert to fraction form
   12,608.43/17,399.48 = 6,943.07/x
3. Step 3: Cross multiply
   12,608.43x = 17,399.48 × 6,943.07
4. Step 4: Simplify right side
   12,608.43x = 120,805,685.89
5. Step 5: Solve for x
   x = 120,805,685.89/12,608.43
6. Step 6: Final answer
   x = 9,581.34