Finding the Fourth Proportional to 2,072.56, 3,104.89 and 1,608.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.56 : 3,104.89 = 1,608.05 : x
2. Step 2: Convert to fraction form
   2,072.56/3,104.89 = 1,608.05/x
3. Step 3: Cross multiply
   2,072.56x = 3,104.89 × 1,608.05
4. Step 4: Simplify right side
   2,072.56x = 4,992,798.82
5. Step 5: Solve for x
   x = 4,992,798.82/2,072.56
6. Step 6: Final answer
   x = 2,409.00