Finding the Fourth Proportional to 1,061.23, 1,464.15 and 662.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.23 : 1,464.15 = 662.71 : x
2. Step 2: Convert to fraction form
   1,061.23/1,464.15 = 662.71/x
3. Step 3: Cross multiply
   1,061.23x = 1,464.15 × 662.71
4. Step 4: Simplify right side
   1,061.23x = 970,306.85
5. Step 5: Solve for x
   x = 970,306.85/1,061.23
6. Step 6: Final answer
   x = 914.32