Finding the Fourth Proportional to 2,080.46, 3,122.06 and 1,107.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.46 : 3,122.06 = 1,107.25 : x
2. Step 2: Convert to fraction form
   2,080.46/3,122.06 = 1,107.25/x
3. Step 3: Cross multiply
   2,080.46x = 3,122.06 × 1,107.25
4. Step 4: Simplify right side
   2,080.46x = 3,456,887.59
5. Step 5: Solve for x
   x = 3,456,887.59/2,080.46
6. Step 6: Final answer
   x = 1,661.60