Finding the Fourth Proportional to 23,986.09, 33,101 and 13,920.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,986.09 : 33,101 = 13,920.54 : x
2. Step 2: Convert to fraction form
   23,986.09/33,101 = 13,920.54/x
3. Step 3: Cross multiply
   23,986.09x = 33,101 × 13,920.54
4. Step 4: Simplify right side
   23,986.09x = 460,783,794.54
5. Step 5: Solve for x
   x = 460,783,794.54/23,986.09
6. Step 6: Final answer
   x = 19,210.46