Finding the Fourth Proportional to 1,383.64, 1,909.38 and 794.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.64 : 1,909.38 = 794.17 : x
2. Step 2: Convert to fraction form
   1,383.64/1,909.38 = 794.17/x
3. Step 3: Cross multiply
   1,383.64x = 1,909.38 × 794.17
4. Step 4: Simplify right side
   1,383.64x = 1,516,372.31
5. Step 5: Solve for x
   x = 1,516,372.31/1,383.64
6. Step 6: Final answer
   x = 1,095.93