Finding the Fourth Proportional to 2,080.01, 3,120.93 and 1,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.01 : 3,120.93 = 1,105.88 : x
2. Step 2: Convert to fraction form
   2,080.01/3,120.93 = 1,105.88/x
3. Step 3: Cross multiply
   2,080.01x = 3,120.93 × 1,105.88
4. Step 4: Simplify right side
   2,080.01x = 3,451,358.46
5. Step 5: Solve for x
   x = 3,451,358.46/2,080.01
6. Step 6: Final answer
   x = 1,659.30