Finding the Fourth Proportional to 2,742.27, 4,112.80 and 794.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.27 : 4,112.80 = 794.05 : x
2. Step 2: Convert to fraction form
   2,742.27/4,112.80 = 794.05/x
3. Step 3: Cross multiply
   2,742.27x = 4,112.80 × 794.05
4. Step 4: Simplify right side
   2,742.27x = 3,265,768.84
5. Step 5: Solve for x
   x = 3,265,768.84/2,742.27
6. Step 6: Final answer
   x = 1,190.90