Finding the Fourth Proportional to 22,674.48, 31,288.42 and 12,601.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,674.48 : 31,288.42 = 12,601.30 : x
2. Step 2: Convert to fraction form
   22,674.48/31,288.42 = 12,601.30/x
3. Step 3: Cross multiply
   22,674.48x = 31,288.42 × 12,601.30
4. Step 4: Simplify right side
   22,674.48x = 394,274,766.95
5. Step 5: Solve for x
   x = 394,274,766.95/22,674.48
6. Step 6: Final answer
   x = 17,388.48