Finding the Fourth Proportional to 1,017.79, 1,524.56 and 650.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.79 : 1,524.56 = 650.71 : x
2. Step 2: Convert to fraction form
   1,017.79/1,524.56 = 650.71/x
3. Step 3: Cross multiply
   1,017.79x = 1,524.56 × 650.71
4. Step 4: Simplify right side
   1,017.79x = 992,046.44
5. Step 5: Solve for x
   x = 992,046.44/1,017.79
6. Step 6: Final answer
   x = 974.71