Finding the Fourth Proportional to 2,813.96, 4,218.12 and 963.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,813.96 : 4,218.12 = 963.82 : x
2. Step 2: Convert to fraction form
   2,813.96/4,218.12 = 963.82/x
3. Step 3: Cross multiply
   2,813.96x = 4,218.12 × 963.82
4. Step 4: Simplify right side
   2,813.96x = 4,065,508.42
5. Step 5: Solve for x
   x = 4,065,508.42/2,813.96
6. Step 6: Final answer
   x = 1,444.76