Finding the Fourth Proportional to 1,630.68, 2,429.40 and 1,608.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.68 : 2,429.40 = 1,608.12 : x
2. Step 2: Convert to fraction form
   1,630.68/2,429.40 = 1,608.12/x
3. Step 3: Cross multiply
   1,630.68x = 2,429.40 × 1,608.12
4. Step 4: Simplify right side
   1,630.68x = 3,906,766.73
5. Step 5: Solve for x
   x = 3,906,766.73/1,630.68
6. Step 6: Final answer
   x = 2,395.79