Finding the Fourth Proportional to 2,167.27, 2,991.32 and 1,694.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.27 : 2,991.32 = 1,694.23 : x
2. Step 2: Convert to fraction form
   2,167.27/2,991.32 = 1,694.23/x
3. Step 3: Cross multiply
   2,167.27x = 2,991.32 × 1,694.23
4. Step 4: Simplify right side
   2,167.27x = 5,067,984.08
5. Step 5: Solve for x
   x = 5,067,984.08/2,167.27
6. Step 6: Final answer
   x = 2,338.42