Finding the Fourth Proportional to 1,976.37, 2,727.33 and 1,080.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.37 : 2,727.33 = 1,080.11 : x
2. Step 2: Convert to fraction form
   1,976.37/2,727.33 = 1,080.11/x
3. Step 3: Cross multiply
   1,976.37x = 2,727.33 × 1,080.11
4. Step 4: Simplify right side
   1,976.37x = 2,945,802.77
5. Step 5: Solve for x
   x = 2,945,802.77/1,976.37
6. Step 6: Final answer
   x = 1,490.51