Finding the Fourth Proportional to 8,103.27, 12,147.61 and 2,907.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.27 : 12,147.61 = 2,907.93 : x
2. Step 2: Convert to fraction form
   8,103.27/12,147.61 = 2,907.93/x
3. Step 3: Cross multiply
   8,103.27x = 12,147.61 × 2,907.93
4. Step 4: Simplify right side
   8,103.27x = 35,324,399.55
5. Step 5: Solve for x
   x = 35,324,399.55/8,103.27
6. Step 6: Final answer
   x = 4,359.28