Finding the Fourth Proportional to 2,080.92, 2,871.60 and 1,196.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.92 : 2,871.60 = 1,196.68 : x
2. Step 2: Convert to fraction form
   2,080.92/2,871.60 = 1,196.68/x
3. Step 3: Cross multiply
   2,080.92x = 2,871.60 × 1,196.68
4. Step 4: Simplify right side
   2,080.92x = 3,436,386.29
5. Step 5: Solve for x
   x = 3,436,386.29/2,080.92
6. Step 6: Final answer
   x = 1,651.38