Finding the Fourth Proportional to 2,150.46, 2,964.18 and 1,618.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.46 : 2,964.18 = 1,618.56 : x
2. Step 2: Convert to fraction form
   2,150.46/2,964.18 = 1,618.56/x
3. Step 3: Cross multiply
   2,150.46x = 2,964.18 × 1,618.56
4. Step 4: Simplify right side
   2,150.46x = 4,797,703.18
5. Step 5: Solve for x
   x = 4,797,703.18/2,150.46
6. Step 6: Final answer
   x = 2,231.01