Finding the Fourth Proportional to 10,965.50, 16,449.06 and 3,569.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.50 : 16,449.06 = 3,569.39 : x
2. Step 2: Convert to fraction form
   10,965.50/16,449.06 = 3,569.39/x
3. Step 3: Cross multiply
   10,965.50x = 16,449.06 × 3,569.39
4. Step 4: Simplify right side
   10,965.50x = 58,713,110.27
5. Step 5: Solve for x
   x = 58,713,110.27/10,965.50
6. Step 6: Final answer
   x = 5,354.35