Finding the Fourth Proportional to 11,168.18, 16,744.07 and 5,328.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,168.18 : 16,744.07 = 5,328.89 : x
2. Step 2: Convert to fraction form
   11,168.18/16,744.07 = 5,328.89/x
3. Step 3: Cross multiply
   11,168.18x = 16,744.07 × 5,328.89
4. Step 4: Simplify right side
   11,168.18x = 89,227,269.60
5. Step 5: Solve for x
   x = 89,227,269.60/11,168.18
6. Step 6: Final answer
   x = 7,989.42