Finding the Fourth Proportional to 22,674.24, 31,290.81 and 12,603.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,674.24 : 31,290.81 = 12,603.12 : x
2. Step 2: Convert to fraction form
   22,674.24/31,290.81 = 12,603.12/x
3. Step 3: Cross multiply
   22,674.24x = 31,290.81 × 12,603.12
4. Step 4: Simplify right side
   22,674.24x = 394,361,833.33
5. Step 5: Solve for x
   x = 394,361,833.33/22,674.24
6. Step 6: Final answer
   x = 17,392.51