Finding the Fourth Proportional to 2,742.72, 4,113.60 and 794.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.72 : 4,113.60 = 794.48 : x
2. Step 2: Convert to fraction form
   2,742.72/4,113.60 = 794.48/x
3. Step 3: Cross multiply
   2,742.72x = 4,113.60 × 794.48
4. Step 4: Simplify right side
   2,742.72x = 3,268,172.93
5. Step 5: Solve for x
   x = 3,268,172.93/2,742.72
6. Step 6: Final answer
   x = 1,191.58