Finding the Fourth Proportional to 2,150.40, 2,967.46 and 1,206.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.40 : 2,967.46 = 1,206.28 : x
2. Step 2: Convert to fraction form
   2,150.40/2,967.46 = 1,206.28/x
3. Step 3: Cross multiply
   2,150.40x = 2,967.46 × 1,206.28
4. Step 4: Simplify right side
   2,150.40x = 3,579,587.65
5. Step 5: Solve for x
   x = 3,579,587.65/2,150.40
6. Step 6: Final answer
   x = 1,664.61