Finding the Fourth Proportional to 3,978.33, 5,958.25 and 3,839.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.33 : 5,958.25 = 3,839.93 : x
2. Step 2: Convert to fraction form
   3,978.33/5,958.25 = 3,839.93/x
3. Step 3: Cross multiply
   3,978.33x = 5,958.25 × 3,839.93
4. Step 4: Simplify right side
   3,978.33x = 22,879,257.23
5. Step 5: Solve for x
   x = 22,879,257.23/3,978.33
6. Step 6: Final answer
   x = 5,750.97