Finding the Fourth Proportional to 10,965.98, 16,451.18 and 3,568.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.98 : 16,451.18 = 3,568.45 : x
2. Step 2: Convert to fraction form
   10,965.98/16,451.18 = 3,568.45/x
3. Step 3: Cross multiply
   10,965.98x = 16,451.18 × 3,568.45
4. Step 4: Simplify right side
   10,965.98x = 58,705,218.60
5. Step 5: Solve for x
   x = 58,705,218.60/10,965.98
6. Step 6: Final answer
   x = 5,353.40