Finding the Fourth Proportional to 2,697.11, 4,046.31 and 1,380.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.11 : 4,046.31 = 1,380.32 : x
2. Step 2: Convert to fraction form
   2,697.11/4,046.31 = 1,380.32/x
3. Step 3: Cross multiply
   2,697.11x = 4,046.31 × 1,380.32
4. Step 4: Simplify right side
   2,697.11x = 5,585,182.39
5. Step 5: Solve for x
   x = 5,585,182.39/2,697.11
6. Step 6: Final answer
   x = 2,070.81