Finding the Fourth Proportional to 2,082.45, 3,108.48 and 1,819.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.45 : 3,108.48 = 1,819.71 : x
2. Step 2: Convert to fraction form
   2,082.45/3,108.48 = 1,819.71/x
3. Step 3: Cross multiply
   2,082.45x = 3,108.48 × 1,819.71
4. Step 4: Simplify right side
   2,082.45x = 5,656,517.07
5. Step 5: Solve for x
   x = 5,656,517.07/2,082.45
6. Step 6: Final answer
   x = 2,716.28