Finding the Fourth Proportional to 2,606.12, 3,910.62 and 1,067

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.12 : 3,910.62 = 1,067 : x
2. Step 2: Convert to fraction form
   2,606.12/3,910.62 = 1,067/x
3. Step 3: Cross multiply
   2,606.12x = 3,910.62 × 1,067
4. Step 4: Simplify right side
   2,606.12x = 4,172,631.54
5. Step 5: Solve for x
   x = 4,172,631.54/2,606.12
6. Step 6: Final answer
   x = 1,601.09