Finding the Fourth Proportional to 2,150.05, 2,967.39 and 1,206.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.05 : 2,967.39 = 1,206.22 : x
2. Step 2: Convert to fraction form
   2,150.05/2,967.39 = 1,206.22/x
3. Step 3: Cross multiply
   2,150.05x = 2,967.39 × 1,206.22
4. Step 4: Simplify right side
   2,150.05x = 3,579,320.76
5. Step 5: Solve for x
   x = 3,579,320.76/2,150.05
6. Step 6: Final answer
   x = 1,664.77