Finding the Fourth Proportional to 2,656, 3,665.69 and 1,608.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656 : 3,665.69 = 1,608.67 : x
2. Step 2: Convert to fraction form
   2,656/3,665.69 = 1,608.67/x
3. Step 3: Cross multiply
   2,656x = 3,665.69 × 1,608.67
4. Step 4: Simplify right side
   2,656x = 5,896,885.53
5. Step 5: Solve for x
   x = 5,896,885.53/2,656
6. Step 6: Final answer
   x = 2,220.21