Finding the Fourth Proportional to 2,708.18, 4,062.42 and 760.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,708.18 : 4,062.42 = 760.54 : x
2. Step 2: Convert to fraction form
   2,708.18/4,062.42 = 760.54/x
3. Step 3: Cross multiply
   2,708.18x = 4,062.42 × 760.54
4. Step 4: Simplify right side
   2,708.18x = 3,089,632.91
5. Step 5: Solve for x
   x = 3,089,632.91/2,708.18
6. Step 6: Final answer
   x = 1,140.85