Finding the Fourth Proportional to 2,067.57, 3,100.75 and 1,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.57 : 3,100.75 = 1,142.96 : x
2. Step 2: Convert to fraction form
   2,067.57/3,100.75 = 1,142.96/x
3. Step 3: Cross multiply
   2,067.57x = 3,100.75 × 1,142.96
4. Step 4: Simplify right side
   2,067.57x = 3,544,014.86
5. Step 5: Solve for x
   x = 3,544,014.86/2,067.57
6. Step 6: Final answer
   x = 1,714.10