Finding the Fourth Proportional to 3,399.42, 5,085.50 and 2,942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.42 : 5,085.50 = 2,942.18 : x
2. Step 2: Convert to fraction form
   3,399.42/5,085.50 = 2,942.18/x
3. Step 3: Cross multiply
   3,399.42x = 5,085.50 × 2,942.18
4. Step 4: Simplify right side
   3,399.42x = 14,962,416.25
5. Step 5: Solve for x
   x = 14,962,416.25/3,399.42
6. Step 6: Final answer
   x = 4,401.46