Finding the Fourth Proportional to 8,091.82, 11,167.12 and 4,555.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,091.82 : 11,167.12 = 4,555.42 : x
2. Step 2: Convert to fraction form
   8,091.82/11,167.12 = 4,555.42/x
3. Step 3: Cross multiply
   8,091.82x = 11,167.12 × 4,555.42
4. Step 4: Simplify right side
   8,091.82x = 50,870,921.79
5. Step 5: Solve for x
   x = 50,870,921.79/8,091.82
6. Step 6: Final answer
   x = 6,286.71