Finding the Fourth Proportional to 5,786.71, 7,985.81 and 3,517.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,786.71 : 7,985.81 = 3,517.27 : x
2. Step 2: Convert to fraction form
   5,786.71/7,985.81 = 3,517.27/x
3. Step 3: Cross multiply
   5,786.71x = 7,985.81 × 3,517.27
4. Step 4: Simplify right side
   5,786.71x = 28,088,249.94
5. Step 5: Solve for x
   x = 28,088,249.94/5,786.71
6. Step 6: Final answer
   x = 4,853.92