Finding the Fourth Proportional to 9,424, 13,007.98 and 5,447.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,424 : 13,007.98 = 5,447.92 : x
2. Step 2: Convert to fraction form
   9,424/13,007.98 = 5,447.92/x
3. Step 3: Cross multiply
   9,424x = 13,007.98 × 5,447.92
4. Step 4: Simplify right side
   9,424x = 70,866,434.40
5. Step 5: Solve for x
   x = 70,866,434.40/9,424
6. Step 6: Final answer
   x = 7,519.78