Finding the Fourth Proportional to 2,677.12, 4,016.84 and 1,379.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.12 : 4,016.84 = 1,379.52 : x
2. Step 2: Convert to fraction form
   2,677.12/4,016.84 = 1,379.52/x
3. Step 3: Cross multiply
   2,677.12x = 4,016.84 × 1,379.52
4. Step 4: Simplify right side
   2,677.12x = 5,541,311.12
5. Step 5: Solve for x
   x = 5,541,311.12/2,677.12
6. Step 6: Final answer
   x = 2,069.88