Finding the Fourth Proportional to 2,656.39, 3,665.79 and 1,608.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.39 : 3,665.79 = 1,608.43 : x
2. Step 2: Convert to fraction form
   2,656.39/3,665.79 = 1,608.43/x
3. Step 3: Cross multiply
   2,656.39x = 3,665.79 × 1,608.43
4. Step 4: Simplify right side
   2,656.39x = 5,896,166.61
5. Step 5: Solve for x
   x = 5,896,166.61/2,656.39
6. Step 6: Final answer
   x = 2,219.62