Finding the Fourth Proportional to 8,103.42, 12,160.89 and 2,910.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.42 : 12,160.89 = 2,910.06 : x
2. Step 2: Convert to fraction form
   8,103.42/12,160.89 = 2,910.06/x
3. Step 3: Cross multiply
   8,103.42x = 12,160.89 × 2,910.06
4. Step 4: Simplify right side
   8,103.42x = 35,388,919.55
5. Step 5: Solve for x
   x = 35,388,919.55/8,103.42
6. Step 6: Final answer
   x = 4,367.16