Finding the Fourth Proportional to 8,104.82, 12,148.85 and 3,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.82 : 12,148.85 = 3,105.82 : x
2. Step 2: Convert to fraction form
   8,104.82/12,148.85 = 3,105.82/x
3. Step 3: Cross multiply
   8,104.82x = 12,148.85 × 3,105.82
4. Step 4: Simplify right side
   8,104.82x = 37,732,080.56
5. Step 5: Solve for x
   x = 37,732,080.56/8,104.82
6. Step 6: Final answer
   x = 4,655.51