Finding the Fourth Proportional to 2,150.59, 2,967.94 and 1,206.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.59 : 2,967.94 = 1,206.68 : x
2. Step 2: Convert to fraction form
   2,150.59/2,967.94 = 1,206.68/x
3. Step 3: Cross multiply
   2,150.59x = 2,967.94 × 1,206.68
4. Step 4: Simplify right side
   2,150.59x = 3,581,358.76
5. Step 5: Solve for x
   x = 3,581,358.76/2,150.59
6. Step 6: Final answer
   x = 1,665.29