Finding the Fourth Proportional to 1,441.98, 1,990.04 and 844.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.98 : 1,990.04 = 844.61 : x
2. Step 2: Convert to fraction form
   1,441.98/1,990.04 = 844.61/x
3. Step 3: Cross multiply
   1,441.98x = 1,990.04 × 844.61
4. Step 4: Simplify right side
   1,441.98x = 1,680,793.51
5. Step 5: Solve for x
   x = 1,680,793.51/1,441.98
6. Step 6: Final answer
   x = 1,165.61