Finding the Fourth Proportional to 2,438.17, 3,658.57 and 1,616.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438.17 : 3,658.57 = 1,616.83 : x
2. Step 2: Convert to fraction form
   2,438.17/3,658.57 = 1,616.83/x
3. Step 3: Cross multiply
   2,438.17x = 3,658.57 × 1,616.83
4. Step 4: Simplify right side
   2,438.17x = 5,915,272.54
5. Step 5: Solve for x
   x = 5,915,272.54/2,438.17
6. Step 6: Final answer
   x = 2,426.11