Finding the Fourth Proportional to 2,856.69, 3,942.18 and 1,614.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.69 : 3,942.18 = 1,614.69 : x
2. Step 2: Convert to fraction form
   2,856.69/3,942.18 = 1,614.69/x
3. Step 3: Cross multiply
   2,856.69x = 3,942.18 × 1,614.69
4. Step 4: Simplify right side
   2,856.69x = 6,365,398.62
5. Step 5: Solve for x
   x = 6,365,398.62/2,856.69
6. Step 6: Final answer
   x = 2,228.24