Finding the Fourth Proportional to 8,162.37, 12,243.69 and 2,318.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.37 : 12,243.69 = 2,318.76 : x
2. Step 2: Convert to fraction form
   8,162.37/12,243.69 = 2,318.76/x
3. Step 3: Cross multiply
   8,162.37x = 12,243.69 × 2,318.76
4. Step 4: Simplify right side
   8,162.37x = 28,390,178.62
5. Step 5: Solve for x
   x = 28,390,178.62/8,162.37
6. Step 6: Final answer
   x = 3,478.18