Finding the Fourth Proportional to 12,190.39, 18,285.86 and 5,949.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,190.39 : 18,285.86 = 5,949.54 : x
2. Step 2: Convert to fraction form
   12,190.39/18,285.86 = 5,949.54/x
3. Step 3: Cross multiply
   12,190.39x = 18,285.86 × 5,949.54
4. Step 4: Simplify right side
   12,190.39x = 108,792,470.38
5. Step 5: Solve for x
   x = 108,792,470.38/12,190.39
6. Step 6: Final answer
   x = 8,924.45