Finding the Fourth Proportional to 1,383.47, 1,909.23 and 794.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.47 : 1,909.23 = 794.12 : x
2. Step 2: Convert to fraction form
   1,383.47/1,909.23 = 794.12/x
3. Step 3: Cross multiply
   1,383.47x = 1,909.23 × 794.12
4. Step 4: Simplify right side
   1,383.47x = 1,516,157.73
5. Step 5: Solve for x
   x = 1,516,157.73/1,383.47
6. Step 6: Final answer
   x = 1,095.91