Finding the Fourth Proportional to 2,150.89, 2,968.20 and 1,206.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.89 : 2,968.20 = 1,206.69 : x
2. Step 2: Convert to fraction form
   2,150.89/2,968.20 = 1,206.69/x
3. Step 3: Cross multiply
   2,150.89x = 2,968.20 × 1,206.69
4. Step 4: Simplify right side
   2,150.89x = 3,581,697.26
5. Step 5: Solve for x
   x = 3,581,697.26/2,150.89
6. Step 6: Final answer
   x = 1,665.22