Finding the Fourth Proportional to 3,616.50, 4,990.38 and 2,022.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.50 : 4,990.38 = 2,022.98 : x
2. Step 2: Convert to fraction form
   3,616.50/4,990.38 = 2,022.98/x
3. Step 3: Cross multiply
   3,616.50x = 4,990.38 × 2,022.98
4. Step 4: Simplify right side
   3,616.50x = 10,095,451.41
5. Step 5: Solve for x
   x = 10,095,451.41/3,616.50
6. Step 6: Final answer
   x = 2,791.50