Finding the Fourth Proportional to 3,171.71, 4,371.69 and 2,384.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.71 : 4,371.69 = 2,384.39 : x
2. Step 2: Convert to fraction form
   3,171.71/4,371.69 = 2,384.39/x
3. Step 3: Cross multiply
   3,171.71x = 4,371.69 × 2,384.39
4. Step 4: Simplify right side
   3,171.71x = 10,423,792.06
5. Step 5: Solve for x
   x = 10,423,792.06/3,171.71
6. Step 6: Final answer
   x = 3,286.49