Finding the Fourth Proportional to 16,143.84, 24,100.56 and 13,662

Step by Step Solution

1. Step 1: Write the proportion equation
   16,143.84 : 24,100.56 = 13,662 : x
2. Step 2: Convert to fraction form
   16,143.84/24,100.56 = 13,662/x
3. Step 3: Cross multiply
   16,143.84x = 24,100.56 × 13,662
4. Step 4: Simplify right side
   16,143.84x = 329,261,850.72
5. Step 5: Solve for x
   x = 329,261,850.72/16,143.84
6. Step 6: Final answer
   x = 20,395.51