Finding the Fourth Proportional to 1,044.88, 1,441.89 and 624.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.88 : 1,441.89 = 624.98 : x
2. Step 2: Convert to fraction form
   1,044.88/1,441.89 = 624.98/x
3. Step 3: Cross multiply
   1,044.88x = 1,441.89 × 624.98
4. Step 4: Simplify right side
   1,044.88x = 901,152.41
5. Step 5: Solve for x
   x = 901,152.41/1,044.88
6. Step 6: Final answer
   x = 862.45