Finding the Fourth Proportional to 8,105.67, 12,153.64 and 3,169.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.67 : 12,153.64 = 3,169.43 : x
2. Step 2: Convert to fraction form
   8,105.67/12,153.64 = 3,169.43/x
3. Step 3: Cross multiply
   8,105.67x = 12,153.64 × 3,169.43
4. Step 4: Simplify right side
   8,105.67x = 38,520,111.23
5. Step 5: Solve for x
   x = 38,520,111.23/8,105.67
6. Step 6: Final answer
   x = 4,752.24