Finding the Fourth Proportional to 5,879.34, 8,114.88 and 3,994.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,879.34 : 8,114.88 = 3,994.02 : x
2. Step 2: Convert to fraction form
   5,879.34/8,114.88 = 3,994.02/x
3. Step 3: Cross multiply
   5,879.34x = 8,114.88 × 3,994.02
4. Step 4: Simplify right side
   5,879.34x = 32,410,993.02
5. Step 5: Solve for x
   x = 32,410,993.02/5,879.34
6. Step 6: Final answer
   x = 5,512.69