Finding the Fourth Proportional to 2,297.34, 3,167.37 and 1,668.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.34 : 3,167.37 = 1,668.78 : x
2. Step 2: Convert to fraction form
   2,297.34/3,167.37 = 1,668.78/x
3. Step 3: Cross multiply
   2,297.34x = 3,167.37 × 1,668.78
4. Step 4: Simplify right side
   2,297.34x = 5,285,643.71
5. Step 5: Solve for x
   x = 5,285,643.71/2,297.34
6. Step 6: Final answer
   x = 2,300.77