Finding the Fourth Proportional to 3,958.37, 5,939.60 and 2,871.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.37 : 5,939.60 = 2,871.69 : x
2. Step 2: Convert to fraction form
   3,958.37/5,939.60 = 2,871.69/x
3. Step 3: Cross multiply
   3,958.37x = 5,939.60 × 2,871.69
4. Step 4: Simplify right side
   3,958.37x = 17,056,675.57
5. Step 5: Solve for x
   x = 17,056,675.57/3,958.37
6. Step 6: Final answer
   x = 4,309.02