Finding the Fourth Proportional to 3,942.02, 5,441.46 and 2,616.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.02 : 5,441.46 = 2,616.18 : x
2. Step 2: Convert to fraction form
   3,942.02/5,441.46 = 2,616.18/x
3. Step 3: Cross multiply
   3,942.02x = 5,441.46 × 2,616.18
4. Step 4: Simplify right side
   3,942.02x = 14,235,838.82
5. Step 5: Solve for x
   x = 14,235,838.82/3,942.02
6. Step 6: Final answer
   x = 3,611.31