Finding the Fourth Proportional to 8,028.58, 11,083.89 and 5,512.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,028.58 : 11,083.89 = 5,512.18 : x
2. Step 2: Convert to fraction form
   8,028.58/11,083.89 = 5,512.18/x
3. Step 3: Cross multiply
   8,028.58x = 11,083.89 × 5,512.18
4. Step 4: Simplify right side
   8,028.58x = 61,096,396.78
5. Step 5: Solve for x
   x = 61,096,396.78/8,028.58
6. Step 6: Final answer
   x = 7,609.86