Finding the Fourth Proportional to 22,262.50, 30,722.25 and 12,326.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,262.50 : 30,722.25 = 12,326.50 : x
2. Step 2: Convert to fraction form
   22,262.50/30,722.25 = 12,326.50/x
3. Step 3: Cross multiply
   22,262.50x = 30,722.25 × 12,326.50
4. Step 4: Simplify right side
   22,262.50x = 378,697,814.63
5. Step 5: Solve for x
   x = 378,697,814.63/22,262.50
6. Step 6: Final answer
   x = 17,010.57