Finding the Fourth Proportional to 8,109.27, 12,150.45 and 2,841.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.27 : 12,150.45 = 2,841.45 : x
2. Step 2: Convert to fraction form
   8,109.27/12,150.45 = 2,841.45/x
3. Step 3: Cross multiply
   8,109.27x = 12,150.45 × 2,841.45
4. Step 4: Simplify right side
   8,109.27x = 34,524,896.15
5. Step 5: Solve for x
   x = 34,524,896.15/8,109.27
6. Step 6: Final answer
   x = 4,257.46