Finding the Fourth Proportional to 1,976.46, 2,727.52 and 1,080.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.46 : 2,727.52 = 1,080.20 : x
2. Step 2: Convert to fraction form
   1,976.46/2,727.52 = 1,080.20/x
3. Step 3: Cross multiply
   1,976.46x = 2,727.52 × 1,080.20
4. Step 4: Simplify right side
   1,976.46x = 2,946,267.10
5. Step 5: Solve for x
   x = 2,946,267.10/1,976.46
6. Step 6: Final answer
   x = 1,490.68