Finding the Fourth Proportional to 2,572.49, 3,858.71 and 624.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.49 : 3,858.71 = 624.71 : x
2. Step 2: Convert to fraction form
   2,572.49/3,858.71 = 624.71/x
3. Step 3: Cross multiply
   2,572.49x = 3,858.71 × 624.71
4. Step 4: Simplify right side
   2,572.49x = 2,410,581.25
5. Step 5: Solve for x
   x = 2,410,581.25/2,572.49
6. Step 6: Final answer
   x = 937.06