Finding the Fourth Proportional to 10,965.24, 16,449.35 and 3,943.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.24 : 16,449.35 = 3,943.85 : x
2. Step 2: Convert to fraction form
   10,965.24/16,449.35 = 3,943.85/x
3. Step 3: Cross multiply
   10,965.24x = 16,449.35 × 3,943.85
4. Step 4: Simplify right side
   10,965.24x = 64,873,667.03
5. Step 5: Solve for x
   x = 64,873,667.03/10,965.24
6. Step 6: Final answer
   x = 5,916.30