Finding the Fourth Proportional to 2,255.57, 3,383.63 and 794.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.57 : 3,383.63 = 794.42 : x
2. Step 2: Convert to fraction form
   2,255.57/3,383.63 = 794.42/x
3. Step 3: Cross multiply
   2,255.57x = 3,383.63 × 794.42
4. Step 4: Simplify right side
   2,255.57x = 2,688,019.37
5. Step 5: Solve for x
   x = 2,688,019.37/2,255.57
6. Step 6: Final answer
   x = 1,191.73