Finding the Fourth Proportional to 12,153.69, 18,229.82 and 4,361.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,153.69 : 18,229.82 = 4,361.49 : x
2. Step 2: Convert to fraction form
   12,153.69/18,229.82 = 4,361.49/x
3. Step 3: Cross multiply
   12,153.69x = 18,229.82 × 4,361.49
4. Step 4: Simplify right side
   12,153.69x = 79,509,155.82
5. Step 5: Solve for x
   x = 79,509,155.82/12,153.69
6. Step 6: Final answer
   x = 6,541.98