Finding the Fourth Proportional to 2,081.75, 2,885.23 and 2,042.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.75 : 2,885.23 = 2,042.87 : x
2. Step 2: Convert to fraction form
   2,081.75/2,885.23 = 2,042.87/x
3. Step 3: Cross multiply
   2,081.75x = 2,885.23 × 2,042.87
4. Step 4: Simplify right side
   2,081.75x = 5,894,137.94
5. Step 5: Solve for x
   x = 5,894,137.94/2,081.75
6. Step 6: Final answer
   x = 2,831.34