Finding the Fourth Proportional to 1,608.39, 2,411.78 and 950.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.39 : 2,411.78 = 950.81 : x
2. Step 2: Convert to fraction form
   1,608.39/2,411.78 = 950.81/x
3. Step 3: Cross multiply
   1,608.39x = 2,411.78 × 950.81
4. Step 4: Simplify right side
   1,608.39x = 2,293,127.73
5. Step 5: Solve for x
   x = 2,293,127.73/1,608.39
6. Step 6: Final answer
   x = 1,425.73