Finding the Fourth Proportional to 1,049.37, 1,447.59 and 629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.37 : 1,447.59 = 629.52 : x
2. Step 2: Convert to fraction form
   1,049.37/1,447.59 = 629.52/x
3. Step 3: Cross multiply
   1,049.37x = 1,447.59 × 629.52
4. Step 4: Simplify right side
   1,049.37x = 911,286.86
5. Step 5: Solve for x
   x = 911,286.86/1,049.37
6. Step 6: Final answer
   x = 868.41