Finding the Fourth Proportional to 2,819.82, 4,209.56 and 2,450.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.82 : 4,209.56 = 2,450.87 : x
2. Step 2: Convert to fraction form
   2,819.82/4,209.56 = 2,450.87/x
3. Step 3: Cross multiply
   2,819.82x = 4,209.56 × 2,450.87
4. Step 4: Simplify right side
   2,819.82x = 10,317,084.32
5. Step 5: Solve for x
   x = 10,317,084.32/2,819.82
6. Step 6: Final answer
   x = 3,658.77