Finding the Fourth Proportional to 2,080.80, 2,870.82 and 1,241.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.80 : 2,870.82 = 1,241.64 : x
2. Step 2: Convert to fraction form
   2,080.80/2,870.82 = 1,241.64/x
3. Step 3: Cross multiply
   2,080.80x = 2,870.82 × 1,241.64
4. Step 4: Simplify right side
   2,080.80x = 3,564,524.94
5. Step 5: Solve for x
   x = 3,564,524.94/2,080.80
6. Step 6: Final answer
   x = 1,713.06