Finding the Fourth Proportional to 2,404.50, 3,318.89 and 1,609.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.50 : 3,318.89 = 1,609.35 : x
2. Step 2: Convert to fraction form
   2,404.50/3,318.89 = 1,609.35/x
3. Step 3: Cross multiply
   2,404.50x = 3,318.89 × 1,609.35
4. Step 4: Simplify right side
   2,404.50x = 5,341,247.57
5. Step 5: Solve for x
   x = 5,341,247.57/2,404.50
6. Step 6: Final answer
   x = 2,221.35