Finding the Fourth Proportional to 11,172.48, 16,760.82 and 5,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,172.48 : 16,760.82 = 5,329.50 : x
2. Step 2: Convert to fraction form
   11,172.48/16,760.82 = 5,329.50/x
3. Step 3: Cross multiply
   11,172.48x = 16,760.82 × 5,329.50
4. Step 4: Simplify right side
   11,172.48x = 89,326,790.19
5. Step 5: Solve for x
   x = 89,326,790.19/11,172.48
6. Step 6: Final answer
   x = 7,995.25