Finding the Fourth Proportional to 2,819.56, 4,228.00 and 844.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.56 : 4,228.00 = 844.43 : x
2. Step 2: Convert to fraction form
   2,819.56/4,228.00 = 844.43/x
3. Step 3: Cross multiply
   2,819.56x = 4,228.00 × 844.43
4. Step 4: Simplify right side
   2,819.56x = 3,570,224.68
5. Step 5: Solve for x
   x = 3,570,224.68/2,819.56
6. Step 6: Final answer
   x = 1,266.24