Finding the Fourth Proportional to 8,103.82, 12,155.32 and 3,174.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.82 : 12,155.32 = 3,174.36 : x
2. Step 2: Convert to fraction form
   8,103.82/12,155.32 = 3,174.36/x
3. Step 3: Cross multiply
   8,103.82x = 12,155.32 × 3,174.36
4. Step 4: Simplify right side
   8,103.82x = 38,585,361.60
5. Step 5: Solve for x
   x = 38,585,361.60/8,103.82
6. Step 6: Final answer
   x = 4,761.38