Finding the Fourth Proportional to 2,740.27, 4,109.81 and 792.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.27 : 4,109.81 = 792.05 : x
2. Step 2: Convert to fraction form
   2,740.27/4,109.81 = 792.05/x
3. Step 3: Cross multiply
   2,740.27x = 4,109.81 × 792.05
4. Step 4: Simplify right side
   2,740.27x = 3,255,171.05
5. Step 5: Solve for x
   x = 3,255,171.05/2,740.27
6. Step 6: Final answer
   x = 1,187.90