Finding the Fourth Proportional to 3,879.73, 5,819.53 and 958.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,879.73 : 5,819.53 = 958.03 : x
2. Step 2: Convert to fraction form
   3,879.73/5,819.53 = 958.03/x
3. Step 3: Cross multiply
   3,879.73x = 5,819.53 × 958.03
4. Step 4: Simplify right side
   3,879.73x = 5,575,284.33
5. Step 5: Solve for x
   x = 5,575,284.33/3,879.73
6. Step 6: Final answer
   x = 1,437.03