Finding the Fourth Proportional to 1,047.97, 1,446.27 and 693.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.97 : 1,446.27 = 693.28 : x
2. Step 2: Convert to fraction form
   1,047.97/1,446.27 = 693.28/x
3. Step 3: Cross multiply
   1,047.97x = 1,446.27 × 693.28
4. Step 4: Simplify right side
   1,047.97x = 1,002,668.21
5. Step 5: Solve for x
   x = 1,002,668.21/1,047.97
6. Step 6: Final answer
   x = 956.77