Finding the Fourth Proportional to 2,067.98, 2,851.86 and 1,358.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.98 : 2,851.86 = 1,358.57 : x
2. Step 2: Convert to fraction form
   2,067.98/2,851.86 = 1,358.57/x
3. Step 3: Cross multiply
   2,067.98x = 2,851.86 × 1,358.57
4. Step 4: Simplify right side
   2,067.98x = 3,874,451.44
5. Step 5: Solve for x
   x = 3,874,451.44/2,067.98
6. Step 6: Final answer
   x = 1,873.54