Finding the Fourth Proportional to 22,604.50, 31,194.57 and 12,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,604.50 : 31,194.57 = 12,668.50 : x
2. Step 2: Convert to fraction form
   22,604.50/31,194.57 = 12,668.50/x
3. Step 3: Cross multiply
   22,604.50x = 31,194.57 × 12,668.50
4. Step 4: Simplify right side
   22,604.50x = 395,188,410.05
5. Step 5: Solve for x
   x = 395,188,410.05/22,604.50
6. Step 6: Final answer
   x = 17,482.73