Finding the Fourth Proportional to 22,672.34, 31,287.69 and 12,600.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,672.34 : 31,287.69 = 12,600.62 : x
2. Step 2: Convert to fraction form
   22,672.34/31,287.69 = 12,600.62/x
3. Step 3: Cross multiply
   22,672.34x = 31,287.69 × 12,600.62
4. Step 4: Simplify right side
   22,672.34x = 394,244,292.37
5. Step 5: Solve for x
   x = 394,244,292.37/22,672.34
6. Step 6: Final answer
   x = 17,388.78