Finding the Fourth Proportional to 16,072.72, 24,088.56 and 13,984

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.72 : 24,088.56 = 13,984 : x
2. Step 2: Convert to fraction form
   16,072.72/24,088.56 = 13,984/x
3. Step 3: Cross multiply
   16,072.72x = 24,088.56 × 13,984
4. Step 4: Simplify right side
   16,072.72x = 336,854,423.04
5. Step 5: Solve for x
   x = 336,854,423.04/16,072.72
6. Step 6: Final answer
   x = 20,958.15