Finding the Fourth Proportional to 2,697.35, 4,042.37 and 1,399.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.35 : 4,042.37 = 1,399.73 : x
2. Step 2: Convert to fraction form
   2,697.35/4,042.37 = 1,399.73/x
3. Step 3: Cross multiply
   2,697.35x = 4,042.37 × 1,399.73
4. Step 4: Simplify right side
   2,697.35x = 5,658,209.85
5. Step 5: Solve for x
   x = 5,658,209.85/2,697.35
6. Step 6: Final answer
   x = 2,097.70