Finding the Fourth Proportional to 2,886.24, 3,983.60 and 2,255.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.24 : 3,983.60 = 2,255.52 : x
2. Step 2: Convert to fraction form
   2,886.24/3,983.60 = 2,255.52/x
3. Step 3: Cross multiply
   2,886.24x = 3,983.60 × 2,255.52
4. Step 4: Simplify right side
   2,886.24x = 8,985,101.59
5. Step 5: Solve for x
   x = 8,985,101.59/2,886.24
6. Step 6: Final answer
   x = 3,113.08