Finding the Fourth Proportional to 1,044.46, 1,441.31 and 624.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.46 : 1,441.31 = 624.71 : x
2. Step 2: Convert to fraction form
   1,044.46/1,441.31 = 624.71/x
3. Step 3: Cross multiply
   1,044.46x = 1,441.31 × 624.71
4. Step 4: Simplify right side
   1,044.46x = 900,401.25
5. Step 5: Solve for x
   x = 900,401.25/1,044.46
6. Step 6: Final answer
   x = 862.07