Finding the Fourth Proportional to 24,018.72, 33,141.87 and 13,408.35

Step by Step Solution

1. Step 1: Write the proportion equation
   24,018.72 : 33,141.87 = 13,408.35 : x
2. Step 2: Convert to fraction form
   24,018.72/33,141.87 = 13,408.35/x
3. Step 3: Cross multiply
   24,018.72x = 33,141.87 × 13,408.35
4. Step 4: Simplify right side
   24,018.72x = 444,377,792.61
5. Step 5: Solve for x
   x = 444,377,792.61/24,018.72
6. Step 6: Final answer
   x = 18,501.31