Finding the Fourth Proportional to 8,399.52, 12,633.84 and 7,362.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399.52 : 12,633.84 = 7,362.72 : x
2. Step 2: Convert to fraction form
   8,399.52/12,633.84 = 7,362.72/x
3. Step 3: Cross multiply
   8,399.52x = 12,633.84 × 7,362.72
4. Step 4: Simplify right side
   8,399.52x = 93,019,426.44
5. Step 5: Solve for x
   x = 93,019,426.44/8,399.52
6. Step 6: Final answer
   x = 11,074.37