Finding the Fourth Proportional to 8,169.72, 12,255.42 and 3,788.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,169.72 : 12,255.42 = 3,788.46 : x
2. Step 2: Convert to fraction form
   8,169.72/12,255.42 = 3,788.46/x
3. Step 3: Cross multiply
   8,169.72x = 12,255.42 × 3,788.46
4. Step 4: Simplify right side
   8,169.72x = 46,429,168.45
5. Step 5: Solve for x
   x = 46,429,168.45/8,169.72
6. Step 6: Final answer
   x = 5,683.08