Finding the Fourth Proportional to 2,142.27, 2,956.49 and 1,246.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.27 : 2,956.49 = 1,246.29 : x
2. Step 2: Convert to fraction form
   2,142.27/2,956.49 = 1,246.29/x
3. Step 3: Cross multiply
   2,142.27x = 2,956.49 × 1,246.29
4. Step 4: Simplify right side
   2,142.27x = 3,684,637.69
5. Step 5: Solve for x
   x = 3,684,637.69/2,142.27
6. Step 6: Final answer
   x = 1,719.97