Finding the Fourth Proportional to 2,233.15, 3,340.15 and 1,609.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.15 : 3,340.15 = 1,609.86 : x
2. Step 2: Convert to fraction form
   2,233.15/3,340.15 = 1,609.86/x
3. Step 3: Cross multiply
   2,233.15x = 3,340.15 × 1,609.86
4. Step 4: Simplify right side
   2,233.15x = 5,377,173.88
5. Step 5: Solve for x
   x = 5,377,173.88/2,233.15
6. Step 6: Final answer
   x = 2,407.89