Finding the Fourth Proportional to 2,080.97, 2,871.57 and 1,196.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.97 : 2,871.57 = 1,196.60 : x
2. Step 2: Convert to fraction form
   2,080.97/2,871.57 = 1,196.60/x
3. Step 3: Cross multiply
   2,080.97x = 2,871.57 × 1,196.60
4. Step 4: Simplify right side
   2,080.97x = 3,436,120.66
5. Step 5: Solve for x
   x = 3,436,120.66/2,080.97
6. Step 6: Final answer
   x = 1,651.21