Finding the Fourth Proportional to 3,616.68, 4,990.12 and 2,104.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.68 : 4,990.12 = 2,104.49 : x
2. Step 2: Convert to fraction form
   3,616.68/4,990.12 = 2,104.49/x
3. Step 3: Cross multiply
   3,616.68x = 4,990.12 × 2,104.49
4. Step 4: Simplify right side
   3,616.68x = 10,501,651.15
5. Step 5: Solve for x
   x = 10,501,651.15/3,616.68
6. Step 6: Final answer
   x = 2,903.67