Finding the Fourth Proportional to 2,067.72, 3,103.04 and 835.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.72 : 3,103.04 = 835.48 : x
2. Step 2: Convert to fraction form
   2,067.72/3,103.04 = 835.48/x
3. Step 3: Cross multiply
   2,067.72x = 3,103.04 × 835.48
4. Step 4: Simplify right side
   2,067.72x = 2,592,527.86
5. Step 5: Solve for x
   x = 2,592,527.86/2,067.72
6. Step 6: Final answer
   x = 1,253.81