Finding the Fourth Proportional to 8,300.27, 12,450.38 and 3,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.27 : 12,450.38 = 3,855.50 : x
2. Step 2: Convert to fraction form
   8,300.27/12,450.38 = 3,855.50/x
3. Step 3: Cross multiply
   8,300.27x = 12,450.38 × 3,855.50
4. Step 4: Simplify right side
   8,300.27x = 48,002,358.56
5. Step 5: Solve for x
   x = 48,002,358.56/8,300.27
6. Step 6: Final answer
   x = 5,783.23