Finding the Fourth Proportional to 16,142.11, 24,168.04 and 8,719.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.11 : 24,168.04 = 8,719.99 : x
2. Step 2: Convert to fraction form
   16,142.11/24,168.04 = 8,719.99/x
3. Step 3: Cross multiply
   16,142.11x = 24,168.04 × 8,719.99
4. Step 4: Simplify right side
   16,142.11x = 210,744,984.90
5. Step 5: Solve for x
   x = 210,744,984.90/16,142.11
6. Step 6: Final answer
   x = 13,055.61