Finding the Fourth Proportional to 16,308.72, 24,463.44 and 13,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.72 : 24,463.44 = 13,860.72 : x
2. Step 2: Convert to fraction form
   16,308.72/24,463.44 = 13,860.72/x
3. Step 3: Cross multiply
   16,308.72x = 24,463.44 × 13,860.72
4. Step 4: Simplify right side
   16,308.72x = 339,080,892.08
5. Step 5: Solve for x
   x = 339,080,892.08/16,308.72
6. Step 6: Final answer
   x = 20,791.39