Finding the Fourth Proportional to 2,819.16, 3,891.71 and 1,876.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.16 : 3,891.71 = 1,876.62 : x
2. Step 2: Convert to fraction form
   2,819.16/3,891.71 = 1,876.62/x
3. Step 3: Cross multiply
   2,819.16x = 3,891.71 × 1,876.62
4. Step 4: Simplify right side
   2,819.16x = 7,303,260.82
5. Step 5: Solve for x
   x = 7,303,260.82/2,819.16
6. Step 6: Final answer
   x = 2,590.58