Finding the Fourth Proportional to 2,819.29, 4,229.55 and 844.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.29 : 4,229.55 = 844.83 : x
2. Step 2: Convert to fraction form
   2,819.29/4,229.55 = 844.83/x
3. Step 3: Cross multiply
   2,819.29x = 4,229.55 × 844.83
4. Step 4: Simplify right side
   2,819.29x = 3,573,261.30
5. Step 5: Solve for x
   x = 3,573,261.30/2,819.29
6. Step 6: Final answer
   x = 1,267.44