Finding the Fourth Proportional to 24,018, 33,144.72 and 13,407

Step by Step Solution

1. Step 1: Write the proportion equation
   24,018 : 33,144.72 = 13,407 : x
2. Step 2: Convert to fraction form
   24,018/33,144.72 = 13,407/x
3. Step 3: Cross multiply
   24,018x = 33,144.72 × 13,407
4. Step 4: Simplify right side
   24,018x = 444,371,261.04
5. Step 5: Solve for x
   x = 444,371,261.04/24,018
6. Step 6: Final answer
   x = 18,501.59