Finding the Fourth Proportional to 9,969.48, 13,757.56 and 5,721.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.48 : 13,757.56 = 5,721.24 : x
2. Step 2: Convert to fraction form
   9,969.48/13,757.56 = 5,721.24/x
3. Step 3: Cross multiply
   9,969.48x = 13,757.56 × 5,721.24
4. Step 4: Simplify right side
   9,969.48x = 78,710,302.57
5. Step 5: Solve for x
   x = 78,710,302.57/9,969.48
6. Step 6: Final answer
   x = 7,895.13