Finding the Fourth Proportional to 10,965.14, 16,443.42 and 3,567.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.14 : 16,443.42 = 3,567.80 : x
2. Step 2: Convert to fraction form
   10,965.14/16,443.42 = 3,567.80/x
3. Step 3: Cross multiply
   10,965.14x = 16,443.42 × 3,567.80
4. Step 4: Simplify right side
   10,965.14x = 58,666,833.88
5. Step 5: Solve for x
   x = 58,666,833.88/10,965.14
6. Step 6: Final answer
   x = 5,350.30