Finding the Fourth Proportional to 1,819.55, 2,728.38 and 844.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.55 : 2,728.38 = 844.82 : x
2. Step 2: Convert to fraction form
   1,819.55/2,728.38 = 844.82/x
3. Step 3: Cross multiply
   1,819.55x = 2,728.38 × 844.82
4. Step 4: Simplify right side
   1,819.55x = 2,304,989.99
5. Step 5: Solve for x
   x = 2,304,989.99/1,819.55
6. Step 6: Final answer
   x = 1,266.79