Finding the Fourth Proportional to 3,996.06, 5,515.50 and 2,596.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.06 : 5,515.50 = 2,596.38 : x
2. Step 2: Convert to fraction form
   3,996.06/5,515.50 = 2,596.38/x
3. Step 3: Cross multiply
   3,996.06x = 5,515.50 × 2,596.38
4. Step 4: Simplify right side
   3,996.06x = 14,320,333.89
5. Step 5: Solve for x
   x = 14,320,333.89/3,996.06
6. Step 6: Final answer
   x = 3,583.61