Finding the Fourth Proportional to 16,265.72, 24,399.18 and 5,172.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,265.72 : 24,399.18 = 5,172.76 : x
2. Step 2: Convert to fraction form
   16,265.72/24,399.18 = 5,172.76/x
3. Step 3: Cross multiply
   16,265.72x = 24,399.18 × 5,172.76
4. Step 4: Simplify right side
   16,265.72x = 126,211,102.34
5. Step 5: Solve for x
   x = 126,211,102.34/16,265.72
6. Step 6: Final answer
   x = 7,759.33