Finding the Fourth Proportional to 3,404.69, 4,698.90 and 2,078.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.69 : 4,698.90 = 2,078.11 : x
2. Step 2: Convert to fraction form
   3,404.69/4,698.90 = 2,078.11/x
3. Step 3: Cross multiply
   3,404.69x = 4,698.90 × 2,078.11
4. Step 4: Simplify right side
   3,404.69x = 9,764,819.33
5. Step 5: Solve for x
   x = 9,764,819.33/3,404.69
6. Step 6: Final answer
   x = 2,868.05