Finding the Fourth Proportional to 3,271.27, 4,906.20 and 1,079.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,271.27 : 4,906.20 = 1,079.48 : x
2. Step 2: Convert to fraction form
   3,271.27/4,906.20 = 1,079.48/x
3. Step 3: Cross multiply
   3,271.27x = 4,906.20 × 1,079.48
4. Step 4: Simplify right side
   3,271.27x = 5,296,144.78
5. Step 5: Solve for x
   x = 5,296,144.78/3,271.27
6. Step 6: Final answer
   x = 1,618.99