Finding the Fourth Proportional to 1,049.27, 1,447.76 and 629.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.27 : 1,447.76 = 629.51 : x
2. Step 2: Convert to fraction form
   1,049.27/1,447.76 = 629.51/x
3. Step 3: Cross multiply
   1,049.27x = 1,447.76 × 629.51
4. Step 4: Simplify right side
   1,049.27x = 911,372.16
5. Step 5: Solve for x
   x = 911,372.16/1,049.27
6. Step 6: Final answer
   x = 868.58