Finding the Fourth Proportional to 1,383.86, 1,909.49 and 794.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.86 : 1,909.49 = 794.38 : x
2. Step 2: Convert to fraction form
   1,383.86/1,909.49 = 794.38/x
3. Step 3: Cross multiply
   1,383.86x = 1,909.49 × 794.38
4. Step 4: Simplify right side
   1,383.86x = 1,516,851.92
5. Step 5: Solve for x
   x = 1,516,851.92/1,383.86
6. Step 6: Final answer
   x = 1,096.11