Finding the Fourth Proportional to 8,063.28, 12,099.78 and 2,868.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,063.28 : 12,099.78 = 2,868.48 : x
2. Step 2: Convert to fraction form
   8,063.28/12,099.78 = 2,868.48/x
3. Step 3: Cross multiply
   8,063.28x = 12,099.78 × 2,868.48
4. Step 4: Simplify right side
   8,063.28x = 34,707,976.93
5. Step 5: Solve for x
   x = 34,707,976.93/8,063.28
6. Step 6: Final answer
   x = 4,304.45