Finding the Fourth Proportional to 6,104.45, 8,418.84 and 3,979.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,104.45 : 8,418.84 = 3,979.16 : x
2. Step 2: Convert to fraction form
   6,104.45/8,418.84 = 3,979.16/x
3. Step 3: Cross multiply
   6,104.45x = 8,418.84 × 3,979.16
4. Step 4: Simplify right side
   6,104.45x = 33,499,911.37
5. Step 5: Solve for x
   x = 33,499,911.37/6,104.45
6. Step 6: Final answer
   x = 5,487.79