Finding the Fourth Proportional to 16,077.42, 24,002.87 and 13,885.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,077.42 : 24,002.87 = 13,885.02 : x
2. Step 2: Convert to fraction form
   16,077.42/24,002.87 = 13,885.02/x
3. Step 3: Cross multiply
   16,077.42x = 24,002.87 × 13,885.02
4. Step 4: Simplify right side
   16,077.42x = 333,280,260.58
5. Step 5: Solve for x
   x = 333,280,260.58/16,077.42
6. Step 6: Final answer
   x = 20,729.71