Finding the Fourth Proportional to 2,085.24, 3,127.91 and 624.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.24 : 3,127.91 = 624.41 : x
2. Step 2: Convert to fraction form
   2,085.24/3,127.91 = 624.41/x
3. Step 3: Cross multiply
   2,085.24x = 3,127.91 × 624.41
4. Step 4: Simplify right side
   2,085.24x = 1,953,098.28
5. Step 5: Solve for x
   x = 1,953,098.28/2,085.24
6. Step 6: Final answer
   x = 936.63