Finding the Fourth Proportional to 22,262.50, 33,364.59 and 12,406.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,262.50 : 33,364.59 = 12,406.42 : x
2. Step 2: Convert to fraction form
   22,262.50/33,364.59 = 12,406.42/x
3. Step 3: Cross multiply
   22,262.50x = 33,364.59 × 12,406.42
4. Step 4: Simplify right side
   22,262.50x = 413,935,116.67
5. Step 5: Solve for x
   x = 413,935,116.67/22,262.50
6. Step 6: Final answer
   x = 18,593.38