Finding the Fourth Proportional to 11,028.20, 16,518.54 and 5,176.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,028.20 : 16,518.54 = 5,176.04 : x
2. Step 2: Convert to fraction form
   11,028.20/16,518.54 = 5,176.04/x
3. Step 3: Cross multiply
   11,028.20x = 16,518.54 × 5,176.04
4. Step 4: Simplify right side
   11,028.20x = 85,500,623.78
5. Step 5: Solve for x
   x = 85,500,623.78/11,028.20
6. Step 6: Final answer
   x = 7,752.91