Finding the Fourth Proportional to 3,942.94, 5,441.18 and 2,150.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.94 : 5,441.18 = 2,150.43 : x
2. Step 2: Convert to fraction form
   3,942.94/5,441.18 = 2,150.43/x
3. Step 3: Cross multiply
   3,942.94x = 5,441.18 × 2,150.43
4. Step 4: Simplify right side
   3,942.94x = 11,700,876.71
5. Step 5: Solve for x
   x = 11,700,876.71/3,942.94
6. Step 6: Final answer
   x = 2,967.55