Finding the Fourth Proportional to 22,404.84, 30,920.34 and 12,333.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,404.84 : 30,920.34 = 12,333.72 : x
2. Step 2: Convert to fraction form
   22,404.84/30,920.34 = 12,333.72/x
3. Step 3: Cross multiply
   22,404.84x = 30,920.34 × 12,333.72
4. Step 4: Simplify right side
   22,404.84x = 381,362,815.86
5. Step 5: Solve for x
   x = 381,362,815.86/22,404.84
6. Step 6: Final answer
   x = 17,021.45