Finding the Fourth Proportional to 9,806.29, 14,708.59 and 2,786.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,806.29 : 14,708.59 = 2,786.69 : x
2. Step 2: Convert to fraction form
   9,806.29/14,708.59 = 2,786.69/x
3. Step 3: Cross multiply
   9,806.29x = 14,708.59 × 2,786.69
4. Step 4: Simplify right side
   9,806.29x = 40,988,310.47
5. Step 5: Solve for x
   x = 40,988,310.47/9,806.29
6. Step 6: Final answer
   x = 4,179.80