Finding the Fourth Proportional to 8,552.05, 12,829.50 and 3,286.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,552.05 : 12,829.50 = 3,286.86 : x
2. Step 2: Convert to fraction form
   8,552.05/12,829.50 = 3,286.86/x
3. Step 3: Cross multiply
   8,552.05x = 12,829.50 × 3,286.86
4. Step 4: Simplify right side
   8,552.05x = 42,168,770.37
5. Step 5: Solve for x
   x = 42,168,770.37/8,552.05
6. Step 6: Final answer
   x = 4,930.84