Finding the Fourth Proportional to 1,414.80, 1,951.56 and 994.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.80 : 1,951.56 = 994.41 : x
2. Step 2: Convert to fraction form
   1,414.80/1,951.56 = 994.41/x
3. Step 3: Cross multiply
   1,414.80x = 1,951.56 × 994.41
4. Step 4: Simplify right side
   1,414.80x = 1,940,650.78
5. Step 5: Solve for x
   x = 1,940,650.78/1,414.80
6. Step 6: Final answer
   x = 1,371.68