Finding the Fourth Proportional to 1,383.78, 1,909.76 and 794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.78 : 1,909.76 = 794.50 : x
2. Step 2: Convert to fraction form
   1,383.78/1,909.76 = 794.50/x
3. Step 3: Cross multiply
   1,383.78x = 1,909.76 × 794.50
4. Step 4: Simplify right side
   1,383.78x = 1,517,304.32
5. Step 5: Solve for x
   x = 1,517,304.32/1,383.78
6. Step 6: Final answer
   x = 1,096.49