Finding the Fourth Proportional to 2,067.91, 3,104.49 and 1,340.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.91 : 3,104.49 = 1,340.53 : x
2. Step 2: Convert to fraction form
   2,067.91/3,104.49 = 1,340.53/x
3. Step 3: Cross multiply
   2,067.91x = 3,104.49 × 1,340.53
4. Step 4: Simplify right side
   2,067.91x = 4,161,646.46
5. Step 5: Solve for x
   x = 4,161,646.46/2,067.91
6. Step 6: Final answer
   x = 2,012.49