Finding the Fourth Proportional to 10,766.83, 16,143.61 and 3,745.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,766.83 : 16,143.61 = 3,745.21 : x
2. Step 2: Convert to fraction form
   10,766.83/16,143.61 = 3,745.21/x
3. Step 3: Cross multiply
   10,766.83x = 16,143.61 × 3,745.21
4. Step 4: Simplify right side
   10,766.83x = 60,461,209.61
5. Step 5: Solve for x
   x = 60,461,209.61/10,766.83
6. Step 6: Final answer
   x = 5,615.51