Finding the Fourth Proportional to 2,081.75, 2,872.87 and 1,418.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.75 : 2,872.87 = 1,418.90 : x
2. Step 2: Convert to fraction form
   2,081.75/2,872.87 = 1,418.90/x
3. Step 3: Cross multiply
   2,081.75x = 2,872.87 × 1,418.90
4. Step 4: Simplify right side
   2,081.75x = 4,076,297.33
5. Step 5: Solve for x
   x = 4,076,297.33/2,081.75
6. Step 6: Final answer
   x = 1,958.12