Finding the Fourth Proportional to 10,786.74, 16,180.17 and 3,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.74 : 16,180.17 = 3,766.72 : x
2. Step 2: Convert to fraction form
   10,786.74/16,180.17 = 3,766.72/x
3. Step 3: Cross multiply
   10,786.74x = 16,180.17 × 3,766.72
4. Step 4: Simplify right side
   10,786.74x = 60,946,169.94
5. Step 5: Solve for x
   x = 60,946,169.94/10,786.74
6. Step 6: Final answer
   x = 5,650.10