Finding the Fourth Proportional to 2,694.72, 4,042.54 and 1,379.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,694.72 : 4,042.54 = 1,379.05 : x
2. Step 2: Convert to fraction form
   2,694.72/4,042.54 = 1,379.05/x
3. Step 3: Cross multiply
   2,694.72x = 4,042.54 × 1,379.05
4. Step 4: Simplify right side
   2,694.72x = 5,574,856.40
5. Step 5: Solve for x
   x = 5,574,856.40/2,694.72
6. Step 6: Final answer
   x = 2,068.80