Finding the Fourth Proportional to 2,942.82, 4,061.12 and 1,616.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.82 : 4,061.12 = 1,616.55 : x
2. Step 2: Convert to fraction form
   2,942.82/4,061.12 = 1,616.55/x
3. Step 3: Cross multiply
   2,942.82x = 4,061.12 × 1,616.55
4. Step 4: Simplify right side
   2,942.82x = 6,565,003.54
5. Step 5: Solve for x
   x = 6,565,003.54/2,942.82
6. Step 6: Final answer
   x = 2,230.85