Finding the Fourth Proportional to 2,879.73, 4,317.57 and 1,123.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,879.73 : 4,317.57 = 1,123.38 : x
2. Step 2: Convert to fraction form
   2,879.73/4,317.57 = 1,123.38/x
3. Step 3: Cross multiply
   2,879.73x = 4,317.57 × 1,123.38
4. Step 4: Simplify right side
   2,879.73x = 4,850,271.79
5. Step 5: Solve for x
   x = 4,850,271.79/2,879.73
6. Step 6: Final answer
   x = 1,684.28