Finding the Fourth Proportional to 18,005.94, 24,834.78 and 13,224.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,005.94 : 24,834.78 = 13,224.42 : x
2. Step 2: Convert to fraction form
   18,005.94/24,834.78 = 13,224.42/x
3. Step 3: Cross multiply
   18,005.94x = 24,834.78 × 13,224.42
4. Step 4: Simplify right side
   18,005.94x = 328,425,561.33
5. Step 5: Solve for x
   x = 328,425,561.33/18,005.94
6. Step 6: Final answer
   x = 18,239.85