Finding the Fourth Proportional to 12,162.76, 18,243.80 and 3,397.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.76 : 18,243.80 = 3,397.43 : x
2. Step 2: Convert to fraction form
   12,162.76/18,243.80 = 3,397.43/x
3. Step 3: Cross multiply
   12,162.76x = 18,243.80 × 3,397.43
4. Step 4: Simplify right side
   12,162.76x = 61,982,074.80
5. Step 5: Solve for x
   x = 61,982,074.80/12,162.76
6. Step 6: Final answer
   x = 5,096.05