Finding the Fourth Proportional to 3,637.71, 5,022.81 and 3,630.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637.71 : 5,022.81 = 3,630.42 : x
2. Step 2: Convert to fraction form
   3,637.71/5,022.81 = 3,630.42/x
3. Step 3: Cross multiply
   3,637.71x = 5,022.81 × 3,630.42
4. Step 4: Simplify right side
   3,637.71x = 18,234,909.88
5. Step 5: Solve for x
   x = 18,234,909.88/3,637.71
6. Step 6: Final answer
   x = 5,012.74