Finding the Fourth Proportional to 2,682.72, 4,023.78 and 833.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682.72 : 4,023.78 = 833.48 : x
2. Step 2: Convert to fraction form
   2,682.72/4,023.78 = 833.48/x
3. Step 3: Cross multiply
   2,682.72x = 4,023.78 × 833.48
4. Step 4: Simplify right side
   2,682.72x = 3,353,740.15
5. Step 5: Solve for x
   x = 3,353,740.15/2,682.72
6. Step 6: Final answer
   x = 1,250.13