Finding the Fourth Proportional to 9,426.24, 13,007.45 and 5,447.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.24 : 13,007.45 = 5,447.61 : x
2. Step 2: Convert to fraction form
   9,426.24/13,007.45 = 5,447.61/x
3. Step 3: Cross multiply
   9,426.24x = 13,007.45 × 5,447.61
4. Step 4: Simplify right side
   9,426.24x = 70,859,528.31
5. Step 5: Solve for x
   x = 70,859,528.31/9,426.24
6. Step 6: Final answer
   x = 7,517.26