Finding the Fourth Proportional to 3,978.94, 5,968.04 and 2,003.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.94 : 5,968.04 = 2,003.79 : x
2. Step 2: Convert to fraction form
   3,978.94/5,968.04 = 2,003.79/x
3. Step 3: Cross multiply
   3,978.94x = 5,968.04 × 2,003.79
4. Step 4: Simplify right side
   3,978.94x = 11,958,698.87
5. Step 5: Solve for x
   x = 11,958,698.87/3,978.94
6. Step 6: Final answer
   x = 3,005.50