Finding the Fourth Proportional to 8,103.80, 12,150.83 and 3,167.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.80 : 12,150.83 = 3,167.56 : x
2. Step 2: Convert to fraction form
   8,103.80/12,150.83 = 3,167.56/x
3. Step 3: Cross multiply
   8,103.80x = 12,150.83 × 3,167.56
4. Step 4: Simplify right side
   8,103.80x = 38,488,406.48
5. Step 5: Solve for x
   x = 38,488,406.48/8,103.80
6. Step 6: Final answer
   x = 4,749.43