Finding the Fourth Proportional to 5,617.71, 8,426.61 and 3,682.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,617.71 : 8,426.61 = 3,682.17 : x
2. Step 2: Convert to fraction form
   5,617.71/8,426.61 = 3,682.17/x
3. Step 3: Cross multiply
   5,617.71x = 8,426.61 × 3,682.17
4. Step 4: Simplify right side
   5,617.71x = 31,028,210.54
5. Step 5: Solve for x
   x = 31,028,210.54/5,617.71
6. Step 6: Final answer
   x = 5,523.28