Finding the Fourth Proportional to 3,908.71, 5,862.87 and 1,443.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908.71 : 5,862.87 = 1,443.37 : x
2. Step 2: Convert to fraction form
   3,908.71/5,862.87 = 1,443.37/x
3. Step 3: Cross multiply
   3,908.71x = 5,862.87 × 1,443.37
4. Step 4: Simplify right side
   3,908.71x = 8,462,290.67
5. Step 5: Solve for x
   x = 8,462,290.67/3,908.71
6. Step 6: Final answer
   x = 2,164.98