Finding the Fourth Proportional to 2,399.22, 3,314.52 and 1,616.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.22 : 3,314.52 = 1,616.76 : x
2. Step 2: Convert to fraction form
   2,399.22/3,314.52 = 1,616.76/x
3. Step 3: Cross multiply
   2,399.22x = 3,314.52 × 1,616.76
4. Step 4: Simplify right side
   2,399.22x = 5,358,783.36
5. Step 5: Solve for x
   x = 5,358,783.36/2,399.22
6. Step 6: Final answer
   x = 2,233.55