Finding the Fourth Proportional to 1,383.85, 1,909.69 and 794.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.85 : 1,909.69 = 794.47 : x
2. Step 2: Convert to fraction form
   1,383.85/1,909.69 = 794.47/x
3. Step 3: Cross multiply
   1,383.85x = 1,909.69 × 794.47
4. Step 4: Simplify right side
   1,383.85x = 1,517,191.41
5. Step 5: Solve for x
   x = 1,517,191.41/1,383.85
6. Step 6: Final answer
   x = 1,096.36