Finding the Fourth Proportional to 2,080.38, 3,117.95 and 1,819.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.38 : 3,117.95 = 1,819.76 : x
2. Step 2: Convert to fraction form
   2,080.38/3,117.95 = 1,819.76/x
3. Step 3: Cross multiply
   2,080.38x = 3,117.95 × 1,819.76
4. Step 4: Simplify right side
   2,080.38x = 5,673,920.69
5. Step 5: Solve for x
   x = 5,673,920.69/2,080.38
6. Step 6: Final answer
   x = 2,727.35