Finding the Fourth Proportional to 5,837.31, 8,058.42 and 3,958.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,837.31 : 8,058.42 = 3,958.79 : x
2. Step 2: Convert to fraction form
   5,837.31/8,058.42 = 3,958.79/x
3. Step 3: Cross multiply
   5,837.31x = 8,058.42 × 3,958.79
4. Step 4: Simplify right side
   5,837.31x = 31,901,552.22
5. Step 5: Solve for x
   x = 31,901,552.22/5,837.31
6. Step 6: Final answer
   x = 5,465.11