Finding the Fourth Proportional to 3,222.52, 4,449.27 and 2,886.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222.52 : 4,449.27 = 2,886.27 : x
2. Step 2: Convert to fraction form
   3,222.52/4,449.27 = 2,886.27/x
3. Step 3: Cross multiply
   3,222.52x = 4,449.27 × 2,886.27
4. Step 4: Simplify right side
   3,222.52x = 12,841,794.52
5. Step 5: Solve for x
   x = 12,841,794.52/3,222.52
6. Step 6: Final answer
   x = 3,985.02