Finding the Fourth Proportional to 2,823.82, 4,236 and 743.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,823.82 : 4,236 = 743.83 : x
2. Step 2: Convert to fraction form
   2,823.82/4,236 = 743.83/x
3. Step 3: Cross multiply
   2,823.82x = 4,236 × 743.83
4. Step 4: Simplify right side
   2,823.82x = 3,150,863.88
5. Step 5: Solve for x
   x = 3,150,863.88/2,823.82
6. Step 6: Final answer
   x = 1,115.82