Finding the Fourth Proportional to 9,786.68, 14,680.17 and 2,391.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786.68 : 14,680.17 = 2,391.27 : x
2. Step 2: Convert to fraction form
   9,786.68/14,680.17 = 2,391.27/x
3. Step 3: Cross multiply
   9,786.68x = 14,680.17 × 2,391.27
4. Step 4: Simplify right side
   9,786.68x = 35,104,250.12
5. Step 5: Solve for x
   x = 35,104,250.12/9,786.68
6. Step 6: Final answer
   x = 3,586.94