Finding the Fourth Proportional to 2,083.91, 2,872.55 and 1,419.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.91 : 2,872.55 = 1,419.62 : x
2. Step 2: Convert to fraction form
   2,083.91/2,872.55 = 1,419.62/x
3. Step 3: Cross multiply
   2,083.91x = 2,872.55 × 1,419.62
4. Step 4: Simplify right side
   2,083.91x = 4,077,918.62
5. Step 5: Solve for x
   x = 4,077,918.62/2,083.91
6. Step 6: Final answer
   x = 1,956.86