Finding the Fourth Proportional to 10,968.80, 16,449.64 and 3,571.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,968.80 : 16,449.64 = 3,571.46 : x
2. Step 2: Convert to fraction form
   10,968.80/16,449.64 = 3,571.46/x
3. Step 3: Cross multiply
   10,968.80x = 16,449.64 × 3,571.46
4. Step 4: Simplify right side
   10,968.80x = 58,749,231.27
5. Step 5: Solve for x
   x = 58,749,231.27/10,968.80
6. Step 6: Final answer
   x = 5,356.03