Finding the Fourth Proportional to 1,061.27, 1,464.94 and 689.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.27 : 1,464.94 = 689.26 : x
2. Step 2: Convert to fraction form
   1,061.27/1,464.94 = 689.26/x
3. Step 3: Cross multiply
   1,061.27x = 1,464.94 × 689.26
4. Step 4: Simplify right side
   1,061.27x = 1,009,724.54
5. Step 5: Solve for x
   x = 1,009,724.54/1,061.27
6. Step 6: Final answer
   x = 951.43