Finding the Fourth Proportional to 3,871.02, 5,341.23 and 2,379.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.02 : 5,341.23 = 2,379.18 : x
2. Step 2: Convert to fraction form
   3,871.02/5,341.23 = 2,379.18/x
3. Step 3: Cross multiply
   3,871.02x = 5,341.23 × 2,379.18
4. Step 4: Simplify right side
   3,871.02x = 12,707,747.59
5. Step 5: Solve for x
   x = 12,707,747.59/3,871.02
6. Step 6: Final answer
   x = 3,282.79