Finding the Fourth Proportional to 2,150.91, 2,968.04 and 1,206.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.91 : 2,968.04 = 1,206.64 : x
2. Step 2: Convert to fraction form
   2,150.91/2,968.04 = 1,206.64/x
3. Step 3: Cross multiply
   2,150.91x = 2,968.04 × 1,206.64
4. Step 4: Simplify right side
   2,150.91x = 3,581,355.79
5. Step 5: Solve for x
   x = 3,581,355.79/2,150.91
6. Step 6: Final answer
   x = 1,665.04