Finding the Fourth Proportional to 9,648.02, 13,314.21 and 5,399.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.02 : 13,314.21 = 5,399.07 : x
2. Step 2: Convert to fraction form
   9,648.02/13,314.21 = 5,399.07/x
3. Step 3: Cross multiply
   9,648.02x = 13,314.21 × 5,399.07
4. Step 4: Simplify right side
   9,648.02x = 71,884,351.78
5. Step 5: Solve for x
   x = 71,884,351.78/9,648.02
6. Step 6: Final answer
   x = 7,450.68