Finding the Fourth Proportional to 17,128.96, 25,680.98 and 11,568.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128.96 : 25,680.98 = 11,568.52 : x
2. Step 2: Convert to fraction form
   17,128.96/25,680.98 = 11,568.52/x
3. Step 3: Cross multiply
   17,128.96x = 25,680.98 × 11,568.52
4. Step 4: Simplify right side
   17,128.96x = 297,090,930.75
5. Step 5: Solve for x
   x = 297,090,930.75/17,128.96
6. Step 6: Final answer
   x = 17,344.36