Finding the Fourth Proportional to 2,072.57, 3,104.88 and 1,608.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.57 : 3,104.88 = 1,608.05 : x
2. Step 2: Convert to fraction form
   2,072.57/3,104.88 = 1,608.05/x
3. Step 3: Cross multiply
   2,072.57x = 3,104.88 × 1,608.05
4. Step 4: Simplify right side
   2,072.57x = 4,992,786.76
5. Step 5: Solve for x
   x = 4,992,786.76/2,072.57
6. Step 6: Final answer
   x = 2,408.99