Finding the Fourth Proportional to 2,403.61, 3,311.70 and 1,616.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.61 : 3,311.70 = 1,616.29 : x
2. Step 2: Convert to fraction form
   2,403.61/3,311.70 = 1,616.29/x
3. Step 3: Cross multiply
   2,403.61x = 3,311.70 × 1,616.29
4. Step 4: Simplify right side
   2,403.61x = 5,352,667.59
5. Step 5: Solve for x
   x = 5,352,667.59/2,403.61
6. Step 6: Final answer
   x = 2,226.93