Finding the Fourth Proportional to 3,996.81, 5,989.74 and 2,536.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.81 : 5,989.74 = 2,536.98 : x
2. Step 2: Convert to fraction form
   3,996.81/5,989.74 = 2,536.98/x
3. Step 3: Cross multiply
   3,996.81x = 5,989.74 × 2,536.98
4. Step 4: Simplify right side
   3,996.81x = 15,195,850.59
5. Step 5: Solve for x
   x = 15,195,850.59/3,996.81
6. Step 6: Final answer
   x = 3,801.99