Finding the Fourth Proportional to 1,383.92, 1,909.65 and 794.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.92 : 1,909.65 = 794.42 : x
2. Step 2: Convert to fraction form
   1,383.92/1,909.65 = 794.42/x
3. Step 3: Cross multiply
   1,383.92x = 1,909.65 × 794.42
4. Step 4: Simplify right side
   1,383.92x = 1,517,064.15
5. Step 5: Solve for x
   x = 1,517,064.15/1,383.92
6. Step 6: Final answer
   x = 1,096.21