Finding the Fourth Proportional to 2,080.30, 2,871.12 and 1,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.30 : 2,871.12 = 1,196.32 : x
2. Step 2: Convert to fraction form
   2,080.30/2,871.12 = 1,196.32/x
3. Step 3: Cross multiply
   2,080.30x = 2,871.12 × 1,196.32
4. Step 4: Simplify right side
   2,080.30x = 3,434,778.28
5. Step 5: Solve for x
   x = 3,434,778.28/2,080.30
6. Step 6: Final answer
   x = 1,651.10