Finding the Fourth Proportional to 8,183.34, 12,280.35 and 4,488.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,183.34 : 12,280.35 = 4,488.15 : x
2. Step 2: Convert to fraction form
   8,183.34/12,280.35 = 4,488.15/x
3. Step 3: Cross multiply
   8,183.34x = 12,280.35 × 4,488.15
4. Step 4: Simplify right side
   8,183.34x = 55,116,052.85
5. Step 5: Solve for x
   x = 55,116,052.85/8,183.34
6. Step 6: Final answer
   x = 6,735.15