Finding the Fourth Proportional to 2,081.79, 2,873.34 and 1,418.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.79 : 2,873.34 = 1,418.91 : x
2. Step 2: Convert to fraction form
   2,081.79/2,873.34 = 1,418.91/x
3. Step 3: Cross multiply
   2,081.79x = 2,873.34 × 1,418.91
4. Step 4: Simplify right side
   2,081.79x = 4,077,010.86
5. Step 5: Solve for x
   x = 4,077,010.86/2,081.79
6. Step 6: Final answer
   x = 1,958.42