Finding the Fourth Proportional to 3,379.32, 5,040.18 and 2,862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379.32 : 5,040.18 = 2,862.72 : x
2. Step 2: Convert to fraction form
   3,379.32/5,040.18 = 2,862.72/x
3. Step 3: Cross multiply
   3,379.32x = 5,040.18 × 2,862.72
4. Step 4: Simplify right side
   3,379.32x = 14,428,624.09
5. Step 5: Solve for x
   x = 14,428,624.09/3,379.32
6. Step 6: Final answer
   x = 4,269.68