Finding the Fourth Proportional to 1,044.27, 1,441.38 and 624.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.27 : 1,441.38 = 624.91 : x
2. Step 2: Convert to fraction form
   1,044.27/1,441.38 = 624.91/x
3. Step 3: Cross multiply
   1,044.27x = 1,441.38 × 624.91
4. Step 4: Simplify right side
   1,044.27x = 900,732.78
5. Step 5: Solve for x
   x = 900,732.78/1,044.27
6. Step 6: Final answer
   x = 862.55