Finding the Fourth Proportional to 10,965.21, 16,448.85 and 3,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.21 : 16,448.85 = 3,067.72 : x
2. Step 2: Convert to fraction form
   10,965.21/16,448.85 = 3,067.72/x
3. Step 3: Cross multiply
   10,965.21x = 16,448.85 × 3,067.72
4. Step 4: Simplify right side
   10,965.21x = 50,460,425.00
5. Step 5: Solve for x
   x = 50,460,425.00/10,965.21
6. Step 6: Final answer
   x = 4,601.87