Finding the Fourth Proportional to 5,229.41, 7,216.71 and 2,871.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,229.41 : 7,216.71 = 2,871.59 : x
2. Step 2: Convert to fraction form
   5,229.41/7,216.71 = 2,871.59/x
3. Step 3: Cross multiply
   5,229.41x = 7,216.71 × 2,871.59
4. Step 4: Simplify right side
   5,229.41x = 20,723,432.27
5. Step 5: Solve for x
   x = 20,723,432.27/5,229.41
6. Step 6: Final answer
   x = 3,962.86