Finding the Fourth Proportional to 2,596.72, 3,886.32 and 2,228.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596.72 : 3,886.32 = 2,228.56 : x
2. Step 2: Convert to fraction form
   2,596.72/3,886.32 = 2,228.56/x
3. Step 3: Cross multiply
   2,596.72x = 3,886.32 × 2,228.56
4. Step 4: Simplify right side
   2,596.72x = 8,660,897.30
5. Step 5: Solve for x
   x = 8,660,897.30/2,596.72
6. Step 6: Final answer
   x = 3,335.32