Finding the Fourth Proportional to 10,788.91, 14,891.49 and 9,667.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.91 : 14,891.49 = 9,667.93 : x
2. Step 2: Convert to fraction form
   10,788.91/14,891.49 = 9,667.93/x
3. Step 3: Cross multiply
   10,788.91x = 14,891.49 × 9,667.93
4. Step 4: Simplify right side
   10,788.91x = 143,969,882.92
5. Step 5: Solve for x
   x = 143,969,882.92/10,788.91
6. Step 6: Final answer
   x = 13,344.25