Finding the Fourth Proportional to 1,441.42, 1,989.35 and 844.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.42 : 1,989.35 = 844.09 : x
2. Step 2: Convert to fraction form
   1,441.42/1,989.35 = 844.09/x
3. Step 3: Cross multiply
   1,441.42x = 1,989.35 × 844.09
4. Step 4: Simplify right side
   1,441.42x = 1,679,190.44
5. Step 5: Solve for x
   x = 1,679,190.44/1,441.42
6. Step 6: Final answer
   x = 1,164.96