Finding the Fourth Proportional to 2,081.43, 2,865.82 and 1,766.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.43 : 2,865.82 = 1,766.04 : x
2. Step 2: Convert to fraction form
   2,081.43/2,865.82 = 1,766.04/x
3. Step 3: Cross multiply
   2,081.43x = 2,865.82 × 1,766.04
4. Step 4: Simplify right side
   2,081.43x = 5,061,152.75
5. Step 5: Solve for x
   x = 5,061,152.75/2,081.43
6. Step 6: Final answer
   x = 2,431.57