Finding the Fourth Proportional to 9,529.28, 13,149.78 and 5,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,529.28 : 13,149.78 = 5,336.72 : x
2. Step 2: Convert to fraction form
   9,529.28/13,149.78 = 5,336.72/x
3. Step 3: Cross multiply
   9,529.28x = 13,149.78 × 5,336.72
4. Step 4: Simplify right side
   9,529.28x = 70,176,693.92
5. Step 5: Solve for x
   x = 70,176,693.92/9,529.28
6. Step 6: Final answer
   x = 7,364.32