Finding the Fourth Proportional to 1,044.72, 1,441.26 and 624.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.72 : 1,441.26 = 624.86 : x
2. Step 2: Convert to fraction form
   1,044.72/1,441.26 = 624.86/x
3. Step 3: Cross multiply
   1,044.72x = 1,441.26 × 624.86
4. Step 4: Simplify right side
   1,044.72x = 900,585.72
5. Step 5: Solve for x
   x = 900,585.72/1,044.72
6. Step 6: Final answer
   x = 862.04