Finding the Fourth Proportional to 22,162.50, 30,584.25 and 12,226.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.50 : 30,584.25 = 12,226.50 : x
2. Step 2: Convert to fraction form
   22,162.50/30,584.25 = 12,226.50/x
3. Step 3: Cross multiply
   22,162.50x = 30,584.25 × 12,226.50
4. Step 4: Simplify right side
   22,162.50x = 373,938,332.63
5. Step 5: Solve for x
   x = 373,938,332.63/22,162.50
6. Step 6: Final answer
   x = 16,872.57