Finding the Fourth Proportional to 2,879.39, 4,318.89 and 1,124.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,879.39 : 4,318.89 = 1,124.07 : x
2. Step 2: Convert to fraction form
   2,879.39/4,318.89 = 1,124.07/x
3. Step 3: Cross multiply
   2,879.39x = 4,318.89 × 1,124.07
4. Step 4: Simplify right side
   2,879.39x = 4,854,726.42
5. Step 5: Solve for x
   x = 4,854,726.42/2,879.39
6. Step 6: Final answer
   x = 1,686.02