Finding the Fourth Proportional to 1,061.52, 1,464.90 and 712.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.52 : 1,464.90 = 712.68 : x
2. Step 2: Convert to fraction form
   1,061.52/1,464.90 = 712.68/x
3. Step 3: Cross multiply
   1,061.52x = 1,464.90 × 712.68
4. Step 4: Simplify right side
   1,061.52x = 1,044,004.93
5. Step 5: Solve for x
   x = 1,044,004.93/1,061.52
6. Step 6: Final answer
   x = 983.50