Finding the Fourth Proportional to 22,404.72, 30,916.51 and 12,333.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,404.72 : 30,916.51 = 12,333.05 : x
2. Step 2: Convert to fraction form
   22,404.72/30,916.51 = 12,333.05/x
3. Step 3: Cross multiply
   22,404.72x = 30,916.51 × 12,333.05
4. Step 4: Simplify right side
   22,404.72x = 381,294,678.24
5. Step 5: Solve for x
   x = 381,294,678.24/22,404.72
6. Step 6: Final answer
   x = 17,018.50