Finding the Fourth Proportional to 1,433.46, 1,978.39 and 844.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.46 : 1,978.39 = 844.05 : x
2. Step 2: Convert to fraction form
   1,433.46/1,978.39 = 844.05/x
3. Step 3: Cross multiply
   1,433.46x = 1,978.39 × 844.05
4. Step 4: Simplify right side
   1,433.46x = 1,669,868.55
5. Step 5: Solve for x
   x = 1,669,868.55/1,433.46
6. Step 6: Final answer
   x = 1,164.92