Finding the Fourth Proportional to 2,080.37, 2,870.89 and 1,241.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.37 : 2,870.89 = 1,241.61 : x
2. Step 2: Convert to fraction form
   2,080.37/2,870.89 = 1,241.61/x
3. Step 3: Cross multiply
   2,080.37x = 2,870.89 × 1,241.61
4. Step 4: Simplify right side
   2,080.37x = 3,564,519.52
5. Step 5: Solve for x
   x = 3,564,519.52/2,080.37
6. Step 6: Final answer
   x = 1,713.41