Finding the Fourth Proportional to 1,061.72, 1,466 and 731.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.72 : 1,466 = 731.24 : x
2. Step 2: Convert to fraction form
   1,061.72/1,466 = 731.24/x
3. Step 3: Cross multiply
   1,061.72x = 1,466 × 731.24
4. Step 4: Simplify right side
   1,061.72x = 1,071,997.84
5. Step 5: Solve for x
   x = 1,071,997.84/1,061.72
6. Step 6: Final answer
   x = 1,009.68