Finding the Fourth Proportional to 8,221.50, 12,332.86 and 2,674.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,221.50 : 12,332.86 = 2,674.42 : x
2. Step 2: Convert to fraction form
   8,221.50/12,332.86 = 2,674.42/x
3. Step 3: Cross multiply
   8,221.50x = 12,332.86 × 2,674.42
4. Step 4: Simplify right side
   8,221.50x = 32,983,209.92
5. Step 5: Solve for x
   x = 32,983,209.92/8,221.50
6. Step 6: Final answer
   x = 4,011.82