Finding the Fourth Proportional to 10,689.31, 14,755.37 and 9,568.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,689.31 : 14,755.37 = 9,568.27 : x
2. Step 2: Convert to fraction form
   10,689.31/14,755.37 = 9,568.27/x
3. Step 3: Cross multiply
   10,689.31x = 14,755.37 × 9,568.27
4. Step 4: Simplify right side
   10,689.31x = 141,183,334.71
5. Step 5: Solve for x
   x = 141,183,334.71/10,689.31
6. Step 6: Final answer
   x = 13,207.90