Finding the Fourth Proportional to 3,644.76, 5,031.30 and 2,596.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.76 : 5,031.30 = 2,596.56 : x
2. Step 2: Convert to fraction form
   3,644.76/5,031.30 = 2,596.56/x
3. Step 3: Cross multiply
   3,644.76x = 5,031.30 × 2,596.56
4. Step 4: Simplify right side
   3,644.76x = 13,064,072.33
5. Step 5: Solve for x
   x = 13,064,072.33/3,644.76
6. Step 6: Final answer
   x = 3,584.34