Finding the Fourth Proportional to 5,386.34, 8,081.82 and 2,267.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,386.34 : 8,081.82 = 2,267.05 : x
2. Step 2: Convert to fraction form
   5,386.34/8,081.82 = 2,267.05/x
3. Step 3: Cross multiply
   5,386.34x = 8,081.82 × 2,267.05
4. Step 4: Simplify right side
   5,386.34x = 18,321,890.03
5. Step 5: Solve for x
   x = 18,321,890.03/5,386.34
6. Step 6: Final answer
   x = 3,401.55