Finding the Fourth Proportional to 9,729.47, 13,424.72 and 5,751.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.47 : 13,424.72 = 5,751.23 : x
2. Step 2: Convert to fraction form
   9,729.47/13,424.72 = 5,751.23/x
3. Step 3: Cross multiply
   9,729.47x = 13,424.72 × 5,751.23
4. Step 4: Simplify right side
   9,729.47x = 77,208,556.53
5. Step 5: Solve for x
   x = 77,208,556.53/9,729.47
6. Step 6: Final answer
   x = 7,935.54