Finding the Fourth Proportional to 10,685.97, 16,030.71 and 3,290.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.97 : 16,030.71 = 3,290.27 : x
2. Step 2: Convert to fraction form
   10,685.97/16,030.71 = 3,290.27/x
3. Step 3: Cross multiply
   10,685.97x = 16,030.71 × 3,290.27
4. Step 4: Simplify right side
   10,685.97x = 52,745,284.04
5. Step 5: Solve for x
   x = 52,745,284.04/10,685.97
6. Step 6: Final answer
   x = 4,935.94