Finding the Fourth Proportional to 2,469.68, 3,408.24 and 1,663.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.68 : 3,408.24 = 1,663.22 : x
2. Step 2: Convert to fraction form
   2,469.68/3,408.24 = 1,663.22/x
3. Step 3: Cross multiply
   2,469.68x = 3,408.24 × 1,663.22
4. Step 4: Simplify right side
   2,469.68x = 5,668,667.69
5. Step 5: Solve for x
   x = 5,668,667.69/2,469.68
6. Step 6: Final answer
   x = 2,295.31