Finding the Fourth Proportional to 2,923.26, 4,386.37 and 1,279.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,923.26 : 4,386.37 = 1,279.82 : x
2. Step 2: Convert to fraction form
   2,923.26/4,386.37 = 1,279.82/x
3. Step 3: Cross multiply
   2,923.26x = 4,386.37 × 1,279.82
4. Step 4: Simplify right side
   2,923.26x = 5,613,764.05
5. Step 5: Solve for x
   x = 5,613,764.05/2,923.26
6. Step 6: Final answer
   x = 1,920.38