Finding the Fourth Proportional to 2,268.80, 3,397.72 and 1,291.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.80 : 3,397.72 = 1,291.94 : x
2. Step 2: Convert to fraction form
   2,268.80/3,397.72 = 1,291.94/x
3. Step 3: Cross multiply
   2,268.80x = 3,397.72 × 1,291.94
4. Step 4: Simplify right side
   2,268.80x = 4,389,650.38
5. Step 5: Solve for x
   x = 4,389,650.38/2,268.80
6. Step 6: Final answer
   x = 1,934.79