Finding the Fourth Proportional to 2,080.27, 3,121.31 and 1,106.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.27 : 3,121.31 = 1,106.13 : x
2. Step 2: Convert to fraction form
   2,080.27/3,121.31 = 1,106.13/x
3. Step 3: Cross multiply
   2,080.27x = 3,121.31 × 1,106.13
4. Step 4: Simplify right side
   2,080.27x = 3,452,574.63
5. Step 5: Solve for x
   x = 3,452,574.63/2,080.27
6. Step 6: Final answer
   x = 1,659.68