Finding the Fourth Proportional to 3,943.24, 5,441.70 and 2,371.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.24 : 5,441.70 = 2,371.72 : x
2. Step 2: Convert to fraction form
   3,943.24/5,441.70 = 2,371.72/x
3. Step 3: Cross multiply
   3,943.24x = 5,441.70 × 2,371.72
4. Step 4: Simplify right side
   3,943.24x = 12,906,188.72
5. Step 5: Solve for x
   x = 12,906,188.72/3,943.24
6. Step 6: Final answer
   x = 3,272.99