Finding the Fourth Proportional to 16,511.72, 24,764.91 and 5,265.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,511.72 : 24,764.91 = 5,265.57 : x
2. Step 2: Convert to fraction form
   16,511.72/24,764.91 = 5,265.57/x
3. Step 3: Cross multiply
   16,511.72x = 24,764.91 × 5,265.57
4. Step 4: Simplify right side
   16,511.72x = 130,401,440.27
5. Step 5: Solve for x
   x = 130,401,440.27/16,511.72
6. Step 6: Final answer
   x = 7,897.51