Finding the Fourth Proportional to 5,884.72, 8,128.10 and 4,399.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,884.72 : 8,128.10 = 4,399.23 : x
2. Step 2: Convert to fraction form
   5,884.72/8,128.10 = 4,399.23/x
3. Step 3: Cross multiply
   5,884.72x = 8,128.10 × 4,399.23
4. Step 4: Simplify right side
   5,884.72x = 35,757,359.37
5. Step 5: Solve for x
   x = 35,757,359.37/5,884.72
6. Step 6: Final answer
   x = 6,076.31