Finding the Fourth Proportional to 9,968.48, 13,757.40 and 5,493.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.48 : 13,757.40 = 5,493.12 : x
2. Step 2: Convert to fraction form
   9,968.48/13,757.40 = 5,493.12/x
3. Step 3: Cross multiply
   9,968.48x = 13,757.40 × 5,493.12
4. Step 4: Simplify right side
   9,968.48x = 75,571,049.09
5. Step 5: Solve for x
   x = 75,571,049.09/9,968.48
6. Step 6: Final answer
   x = 7,581.00