Finding the Fourth Proportional to 3,951.71, 5,957.22 and 3,684.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.71 : 5,957.22 = 3,684.18 : x
2. Step 2: Convert to fraction form
   3,951.71/5,957.22 = 3,684.18/x
3. Step 3: Cross multiply
   3,951.71x = 5,957.22 × 3,684.18
4. Step 4: Simplify right side
   3,951.71x = 21,947,496.57
5. Step 5: Solve for x
   x = 21,947,496.57/3,951.71
6. Step 6: Final answer
   x = 5,553.92