Finding the Fourth Proportional to 22,168.50, 30,592.26 and 12,736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,168.50 : 30,592.26 = 12,736.32 : x
2. Step 2: Convert to fraction form
   22,168.50/30,592.26 = 12,736.32/x
3. Step 3: Cross multiply
   22,168.50x = 30,592.26 × 12,736.32
4. Step 4: Simplify right side
   22,168.50x = 389,632,812.88
5. Step 5: Solve for x
   x = 389,632,812.88/22,168.50
6. Step 6: Final answer
   x = 17,575.97