Finding the Fourth Proportional to 8,313.16, 12,474.33 and 3,386.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,313.16 : 12,474.33 = 3,386.27 : x
2. Step 2: Convert to fraction form
   8,313.16/12,474.33 = 3,386.27/x
3. Step 3: Cross multiply
   8,313.16x = 12,474.33 × 3,386.27
4. Step 4: Simplify right side
   8,313.16x = 42,241,449.45
5. Step 5: Solve for x
   x = 42,241,449.45/8,313.16
6. Step 6: Final answer
   x = 5,081.27