Finding the Fourth Proportional to 22,332.78, 30,819.59 and 12,262.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,332.78 : 30,819.59 = 12,262.13 : x
2. Step 2: Convert to fraction form
   22,332.78/30,819.59 = 12,262.13/x
3. Step 3: Cross multiply
   22,332.78x = 30,819.59 × 12,262.13
4. Step 4: Simplify right side
   22,332.78x = 377,913,603.72
5. Step 5: Solve for x
   x = 377,913,603.72/22,332.78
6. Step 6: Final answer
   x = 16,921.92