Finding the Fourth Proportional to 2,404.69, 3,321.20 and 1,617.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.69 : 3,321.20 = 1,617.37 : x
2. Step 2: Convert to fraction form
   2,404.69/3,321.20 = 1,617.37/x
3. Step 3: Cross multiply
   2,404.69x = 3,321.20 × 1,617.37
4. Step 4: Simplify right side
   2,404.69x = 5,371,604.98
5. Step 5: Solve for x
   x = 5,371,604.98/2,404.69
6. Step 6: Final answer
   x = 2,233.81