Finding the Fourth Proportional to 2,447.89, 3,377.21 and 1,609.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.89 : 3,377.21 = 1,609.05 : x
2. Step 2: Convert to fraction form
   2,447.89/3,377.21 = 1,609.05/x
3. Step 3: Cross multiply
   2,447.89x = 3,377.21 × 1,609.05
4. Step 4: Simplify right side
   2,447.89x = 5,434,099.75
5. Step 5: Solve for x
   x = 5,434,099.75/2,447.89
6. Step 6: Final answer
   x = 2,219.91