Finding the Fourth Proportional to 9,449.92, 13,020.16 and 7,049.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,449.92 : 13,020.16 = 7,049.76 : x
2. Step 2: Convert to fraction form
   9,449.92/13,020.16 = 7,049.76/x
3. Step 3: Cross multiply
   9,449.92x = 13,020.16 × 7,049.76
4. Step 4: Simplify right side
   9,449.92x = 91,789,003.16
5. Step 5: Solve for x
   x = 91,789,003.16/9,449.92
6. Step 6: Final answer
   x = 9,713.20