Finding the Fourth Proportional to 2,469.30, 3,404.61 and 2,119.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.30 : 3,404.61 = 2,119.38 : x
2. Step 2: Convert to fraction form
   2,469.30/3,404.61 = 2,119.38/x
3. Step 3: Cross multiply
   2,469.30x = 3,404.61 × 2,119.38
4. Step 4: Simplify right side
   2,469.30x = 7,215,662.34
5. Step 5: Solve for x
   x = 7,215,662.34/2,469.30
6. Step 6: Final answer
   x = 2,922.15