Finding the Fourth Proportional to 12,107.47, 18,162.25 and 3,342.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107.47 : 18,162.25 = 3,342.39 : x
2. Step 2: Convert to fraction form
   12,107.47/18,162.25 = 3,342.39/x
3. Step 3: Cross multiply
   12,107.47x = 18,162.25 × 3,342.39
4. Step 4: Simplify right side
   12,107.47x = 60,705,285.73
5. Step 5: Solve for x
   x = 60,705,285.73/12,107.47
6. Step 6: Final answer
   x = 5,013.87