Finding the Fourth Proportional to 2,648.06, 3,967.76 and 1,608.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.06 : 3,967.76 = 1,608.38 : x
2. Step 2: Convert to fraction form
   2,648.06/3,967.76 = 1,608.38/x
3. Step 3: Cross multiply
   2,648.06x = 3,967.76 × 1,608.38
4. Step 4: Simplify right side
   2,648.06x = 6,381,665.83
5. Step 5: Solve for x
   x = 6,381,665.83/2,648.06
6. Step 6: Final answer
   x = 2,409.94