Finding the Fourth Proportional to 10,765.95, 16,155.77 and 5,571.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,765.95 : 16,155.77 = 5,571.83 : x
2. Step 2: Convert to fraction form
   10,765.95/16,155.77 = 5,571.83/x
3. Step 3: Cross multiply
   10,765.95x = 16,155.77 × 5,571.83
4. Step 4: Simplify right side
   10,765.95x = 90,017,197.69
5. Step 5: Solve for x
   x = 90,017,197.69/10,765.95
6. Step 6: Final answer
   x = 8,361.28