Finding the Fourth Proportional to 2,081.75, 2,874.96 and 1,800.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.75 : 2,874.96 = 1,800.63 : x
2. Step 2: Convert to fraction form
   2,081.75/2,874.96 = 1,800.63/x
3. Step 3: Cross multiply
   2,081.75x = 2,874.96 × 1,800.63
4. Step 4: Simplify right side
   2,081.75x = 5,176,739.22
5. Step 5: Solve for x
   x = 5,176,739.22/2,081.75
6. Step 6: Final answer
   x = 2,486.73