Finding the Fourth Proportional to 5,399.27, 8,086.31 and 4,156.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.27 : 8,086.31 = 4,156.82 : x
2. Step 2: Convert to fraction form
   5,399.27/8,086.31 = 4,156.82/x
3. Step 3: Cross multiply
   5,399.27x = 8,086.31 × 4,156.82
4. Step 4: Simplify right side
   5,399.27x = 33,613,314.35
5. Step 5: Solve for x
   x = 33,613,314.35/5,399.27
6. Step 6: Final answer
   x = 6,225.53