Finding the Fourth Proportional to 8,200.35, 12,276.23 and 7,325.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.35 : 12,276.23 = 7,325.55 : x
2. Step 2: Convert to fraction form
   8,200.35/12,276.23 = 7,325.55/x
3. Step 3: Cross multiply
   8,200.35x = 12,276.23 × 7,325.55
4. Step 4: Simplify right side
   8,200.35x = 89,930,100.05
5. Step 5: Solve for x
   x = 89,930,100.05/8,200.35
6. Step 6: Final answer
   x = 10,966.62