Finding the Fourth Proportional to 3,639.58, 5,022.59 and 2,067.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639.58 : 5,022.59 = 2,067.67 : x
2. Step 2: Convert to fraction form
   3,639.58/5,022.59 = 2,067.67/x
3. Step 3: Cross multiply
   3,639.58x = 5,022.59 × 2,067.67
4. Step 4: Simplify right side
   3,639.58x = 10,385,058.67
5. Step 5: Solve for x
   x = 10,385,058.67/3,639.58
6. Step 6: Final answer
   x = 2,853.37