Finding the Fourth Proportional to 1,383.74, 1,909.59 and 794.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.74 : 1,909.59 = 794.23 : x
2. Step 2: Convert to fraction form
   1,383.74/1,909.59 = 794.23/x
3. Step 3: Cross multiply
   1,383.74x = 1,909.59 × 794.23
4. Step 4: Simplify right side
   1,383.74x = 1,516,648.89
5. Step 5: Solve for x
   x = 1,516,648.89/1,383.74
6. Step 6: Final answer
   x = 1,096.05