Finding the Fourth Proportional to 9,969.26, 13,757.82 and 5,493.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.26 : 13,757.82 = 5,493.20 : x
2. Step 2: Convert to fraction form
   9,969.26/13,757.82 = 5,493.20/x
3. Step 3: Cross multiply
   9,969.26x = 13,757.82 × 5,493.20
4. Step 4: Simplify right side
   9,969.26x = 75,574,456.82
5. Step 5: Solve for x
   x = 75,574,456.82/9,969.26
6. Step 6: Final answer
   x = 7,580.75