Finding the Fourth Proportional to 12,568.71, 17,344.83 and 6,979.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.71 : 17,344.83 = 6,979.71 : x
2. Step 2: Convert to fraction form
   12,568.71/17,344.83 = 6,979.71/x
3. Step 3: Cross multiply
   12,568.71x = 17,344.83 × 6,979.71
4. Step 4: Simplify right side
   12,568.71x = 121,061,883.40
5. Step 5: Solve for x
   x = 121,061,883.40/12,568.71
6. Step 6: Final answer
   x = 9,632.01