Finding the Fourth Proportional to 2,067.66, 2,851.47 and 1,281.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.66 : 2,851.47 = 1,281.42 : x
2. Step 2: Convert to fraction form
   2,067.66/2,851.47 = 1,281.42/x
3. Step 3: Cross multiply
   2,067.66x = 2,851.47 × 1,281.42
4. Step 4: Simplify right side
   2,067.66x = 3,653,930.69
5. Step 5: Solve for x
   x = 3,653,930.69/2,067.66
6. Step 6: Final answer
   x = 1,767.18