Finding the Fourth Proportional to 11,018.52, 15,205.68 and 5,982.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.52 : 15,205.68 = 5,982.80 : x
2. Step 2: Convert to fraction form
   11,018.52/15,205.68 = 5,982.80/x
3. Step 3: Cross multiply
   11,018.52x = 15,205.68 × 5,982.80
4. Step 4: Simplify right side
   11,018.52x = 90,972,466.28
5. Step 5: Solve for x
   x = 90,972,466.28/11,018.52
6. Step 6: Final answer
   x = 8,256.32