Finding the Fourth Proportional to 1,631.27, 2,250.89 and 968.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.27 : 2,250.89 = 968.15 : x
2. Step 2: Convert to fraction form
   1,631.27/2,250.89 = 968.15/x
3. Step 3: Cross multiply
   1,631.27x = 2,250.89 × 968.15
4. Step 4: Simplify right side
   1,631.27x = 2,179,203.57
5. Step 5: Solve for x
   x = 2,179,203.57/1,631.27
6. Step 6: Final answer
   x = 1,335.89