Finding the Fourth Proportional to 3,443.70, 5,167.89 and 2,271.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.70 : 5,167.89 = 2,271.18 : x
2. Step 2: Convert to fraction form
   3,443.70/5,167.89 = 2,271.18/x
3. Step 3: Cross multiply
   3,443.70x = 5,167.89 × 2,271.18
4. Step 4: Simplify right side
   3,443.70x = 11,737,208.41
5. Step 5: Solve for x
   x = 11,737,208.41/3,443.70
6. Step 6: Final answer
   x = 3,408.31