Finding the Fourth Proportional to 1,047.33, 1,446.42 and 712.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.33 : 1,446.42 = 712.73 : x
2. Step 2: Convert to fraction form
   1,047.33/1,446.42 = 712.73/x
3. Step 3: Cross multiply
   1,047.33x = 1,446.42 × 712.73
4. Step 4: Simplify right side
   1,047.33x = 1,030,899.69
5. Step 5: Solve for x
   x = 1,030,899.69/1,047.33
6. Step 6: Final answer
   x = 984.31