Finding the Fourth Proportional to 12,162.09, 18,243.86 and 3,397.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.09 : 18,243.86 = 3,397.01 : x
2. Step 2: Convert to fraction form
   12,162.09/18,243.86 = 3,397.01/x
3. Step 3: Cross multiply
   12,162.09x = 18,243.86 × 3,397.01
4. Step 4: Simplify right side
   12,162.09x = 61,974,560.55
5. Step 5: Solve for x
   x = 61,974,560.55/12,162.09
6. Step 6: Final answer
   x = 5,095.71