Finding the Fourth Proportional to 12,568.97, 17,342.09 and 7,118.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.97 : 17,342.09 = 7,118.14 : x
2. Step 2: Convert to fraction form
   12,568.97/17,342.09 = 7,118.14/x
3. Step 3: Cross multiply
   12,568.97x = 17,342.09 × 7,118.14
4. Step 4: Simplify right side
   12,568.97x = 123,443,345.57
5. Step 5: Solve for x
   x = 123,443,345.57/12,568.97
6. Step 6: Final answer
   x = 9,821.28