Finding the Fourth Proportional to 2,404.11, 3,312.39 and 1,616.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.11 : 3,312.39 = 1,616.79 : x
2. Step 2: Convert to fraction form
   2,404.11/3,312.39 = 1,616.79/x
3. Step 3: Cross multiply
   2,404.11x = 3,312.39 × 1,616.79
4. Step 4: Simplify right side
   2,404.11x = 5,355,439.03
5. Step 5: Solve for x
   x = 5,355,439.03/2,404.11
6. Step 6: Final answer
   x = 2,227.62