Finding the Fourth Proportional to 2,086.31, 2,874.65 and 1,614.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.31 : 2,874.65 = 1,614.29 : x
2. Step 2: Convert to fraction form
   2,086.31/2,874.65 = 1,614.29/x
3. Step 3: Cross multiply
   2,086.31x = 2,874.65 × 1,614.29
4. Step 4: Simplify right side
   2,086.31x = 4,640,496.30
5. Step 5: Solve for x
   x = 4,640,496.30/2,086.31
6. Step 6: Final answer
   x = 2,224.27