Finding the Fourth Proportional to 2,443.89, 3,371.69 and 1,605.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.89 : 3,371.69 = 1,605.05 : x
2. Step 2: Convert to fraction form
   2,443.89/3,371.69 = 1,605.05/x
3. Step 3: Cross multiply
   2,443.89x = 3,371.69 × 1,605.05
4. Step 4: Simplify right side
   2,443.89x = 5,411,718.79
5. Step 5: Solve for x
   x = 5,411,718.79/2,443.89
6. Step 6: Final answer
   x = 2,214.38