Finding the Fourth Proportional to 2,942.75, 4,061.27 and 1,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.75 : 4,061.27 = 1,616.72 : x
2. Step 2: Convert to fraction form
   2,942.75/4,061.27 = 1,616.72/x
3. Step 3: Cross multiply
   2,942.75x = 4,061.27 × 1,616.72
4. Step 4: Simplify right side
   2,942.75x = 6,565,920.17
5. Step 5: Solve for x
   x = 6,565,920.17/2,942.75
6. Step 6: Final answer
   x = 2,231.22