Finding the Fourth Proportional to 8,104.86, 12,162.77 and 3,173.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.86 : 12,162.77 = 3,173.89 : x
2. Step 2: Convert to fraction form
   8,104.86/12,162.77 = 3,173.89/x
3. Step 3: Cross multiply
   8,104.86x = 12,162.77 × 3,173.89
4. Step 4: Simplify right side
   8,104.86x = 38,603,247.80
5. Step 5: Solve for x
   x = 38,603,247.80/8,104.86
6. Step 6: Final answer
   x = 4,762.97