Finding the Fourth Proportional to 2,150.06, 2,967.34 and 1,205.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.06 : 2,967.34 = 1,205.90 : x
2. Step 2: Convert to fraction form
   2,150.06/2,967.34 = 1,205.90/x
3. Step 3: Cross multiply
   2,150.06x = 2,967.34 × 1,205.90
4. Step 4: Simplify right side
   2,150.06x = 3,578,315.31
5. Step 5: Solve for x
   x = 3,578,315.31/2,150.06
6. Step 6: Final answer
   x = 1,664.29