Finding the Fourth Proportional to 2,150.46, 2,967.71 and 1,206.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.46 : 2,967.71 = 1,206.23 : x
2. Step 2: Convert to fraction form
   2,150.46/2,967.71 = 1,206.23/x
3. Step 3: Cross multiply
   2,150.46x = 2,967.71 × 1,206.23
4. Step 4: Simplify right side
   2,150.46x = 3,579,719.96
5. Step 5: Solve for x
   x = 3,579,719.96/2,150.46
6. Step 6: Final answer
   x = 1,664.63