Finding the Fourth Proportional to 8,105.54, 12,161.48 and 3,174.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.54 : 12,161.48 = 3,174.32 : x
2. Step 2: Convert to fraction form
   8,105.54/12,161.48 = 3,174.32/x
3. Step 3: Cross multiply
   8,105.54x = 12,161.48 × 3,174.32
4. Step 4: Simplify right side
   8,105.54x = 38,604,443.73
5. Step 5: Solve for x
   x = 38,604,443.73/8,105.54
6. Step 6: Final answer
   x = 4,762.73