Finding the Fourth Proportional to 10,745.94, 16,103.78 and 8,544.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,745.94 : 16,103.78 = 8,544.90 : x
2. Step 2: Convert to fraction form
   10,745.94/16,103.78 = 8,544.90/x
3. Step 3: Cross multiply
   10,745.94x = 16,103.78 × 8,544.90
4. Step 4: Simplify right side
   10,745.94x = 137,605,189.72
5. Step 5: Solve for x
   x = 137,605,189.72/10,745.94
6. Step 6: Final answer
   x = 12,805.32