Finding the Fourth Proportional to 16,140.72, 24,212.48 and 4,453.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,140.72 : 24,212.48 = 4,453.94 : x
2. Step 2: Convert to fraction form
   16,140.72/24,212.48 = 4,453.94/x
3. Step 3: Cross multiply
   16,140.72x = 24,212.48 × 4,453.94
4. Step 4: Simplify right side
   16,140.72x = 107,840,910.90
5. Step 5: Solve for x
   x = 107,840,910.90/16,140.72
6. Step 6: Final answer
   x = 6,681.29