Finding the Fourth Proportional to 2,010.99, 3,016.91 and 624.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.99 : 3,016.91 = 624.30 : x
2. Step 2: Convert to fraction form
   2,010.99/3,016.91 = 624.30/x
3. Step 3: Cross multiply
   2,010.99x = 3,016.91 × 624.30
4. Step 4: Simplify right side
   2,010.99x = 1,883,456.91
5. Step 5: Solve for x
   x = 1,883,456.91/2,010.99
6. Step 6: Final answer
   x = 936.58