Finding the Fourth Proportional to 2,596.72, 3,586.00 and 2,221.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596.72 : 3,586.00 = 2,221.51 : x
2. Step 2: Convert to fraction form
   2,596.72/3,586.00 = 2,221.51/x
3. Step 3: Cross multiply
   2,596.72x = 3,586.00 × 2,221.51
4. Step 4: Simplify right side
   2,596.72x = 7,966,340.11
5. Step 5: Solve for x
   x = 7,966,340.11/2,596.72
6. Step 6: Final answer
   x = 3,067.85