Finding the Fourth Proportional to 8,552.94, 12,812.04 and 7,162.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,552.94 : 12,812.04 = 7,162.35 : x
2. Step 2: Convert to fraction form
   8,552.94/12,812.04 = 7,162.35/x
3. Step 3: Cross multiply
   8,552.94x = 12,812.04 × 7,162.35
4. Step 4: Simplify right side
   8,552.94x = 91,764,314.69
5. Step 5: Solve for x
   x = 91,764,314.69/8,552.94
6. Step 6: Final answer
   x = 10,728.98