Finding the Fourth Proportional to 22,271.92, 30,736 and 12,200.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.92 : 30,736 = 12,200.96 : x
2. Step 2: Convert to fraction form
   22,271.92/30,736 = 12,200.96/x
3. Step 3: Cross multiply
   22,271.92x = 30,736 × 12,200.96
4. Step 4: Simplify right side
   22,271.92x = 375,008,706.56
5. Step 5: Solve for x
   x = 375,008,706.56/22,271.92
6. Step 6: Final answer
   x = 16,837.74