Finding the Fourth Proportional to 8,768.18, 12,099.92 and 4,789.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.18 : 12,099.92 = 4,789.32 : x
2. Step 2: Convert to fraction form
   8,768.18/12,099.92 = 4,789.32/x
3. Step 3: Cross multiply
   8,768.18x = 12,099.92 × 4,789.32
4. Step 4: Simplify right side
   8,768.18x = 57,950,388.85
5. Step 5: Solve for x
   x = 57,950,388.85/8,768.18
6. Step 6: Final answer
   x = 6,609.17