Finding the Fourth Proportional to 12,144.42, 18,219.69 and 3,824.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.42 : 18,219.69 = 3,824.10 : x
2. Step 2: Convert to fraction form
   12,144.42/18,219.69 = 3,824.10/x
3. Step 3: Cross multiply
   12,144.42x = 18,219.69 × 3,824.10
4. Step 4: Simplify right side
   12,144.42x = 69,673,916.53
5. Step 5: Solve for x
   x = 69,673,916.53/12,144.42
6. Step 6: Final answer
   x = 5,737.11