Finding the Fourth Proportional to 10,688.69, 14,754.50 and 9,567.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.69 : 14,754.50 = 9,567.65 : x
2. Step 2: Convert to fraction form
   10,688.69/14,754.50 = 9,567.65/x
3. Step 3: Cross multiply
   10,688.69x = 14,754.50 × 9,567.65
4. Step 4: Simplify right side
   10,688.69x = 141,165,891.93
5. Step 5: Solve for x
   x = 141,165,891.93/10,688.69
6. Step 6: Final answer
   x = 13,207.03