Finding the Fourth Proportional to 8,221.52, 12,332.39 and 2,674.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,221.52 : 12,332.39 = 2,674.89 : x
2. Step 2: Convert to fraction form
   8,221.52/12,332.39 = 2,674.89/x
3. Step 3: Cross multiply
   8,221.52x = 12,332.39 × 2,674.89
4. Step 4: Simplify right side
   8,221.52x = 32,987,773.31
5. Step 5: Solve for x
   x = 32,987,773.31/8,221.52
6. Step 6: Final answer
   x = 4,012.37