Finding the Fourth Proportional to 1,441.80, 1,989.96 and 844.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.80 : 1,989.96 = 844.44 : x
2. Step 2: Convert to fraction form
   1,441.80/1,989.96 = 844.44/x
3. Step 3: Cross multiply
   1,441.80x = 1,989.96 × 844.44
4. Step 4: Simplify right side
   1,441.80x = 1,680,401.82
5. Step 5: Solve for x
   x = 1,680,401.82/1,441.80
6. Step 6: Final answer
   x = 1,165.49