Finding the Fourth Proportional to 2,080.27, 2,870.66 and 1,241.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.27 : 2,870.66 = 1,241.92 : x
2. Step 2: Convert to fraction form
   2,080.27/2,870.66 = 1,241.92/x
3. Step 3: Cross multiply
   2,080.27x = 2,870.66 × 1,241.92
4. Step 4: Simplify right side
   2,080.27x = 3,565,123.86
5. Step 5: Solve for x
   x = 3,565,123.86/2,080.27
6. Step 6: Final answer
   x = 1,713.78