Finding the Fourth Proportional to 19,629.69, 27,080.37 and 13,083

Step by Step Solution

1. Step 1: Write the proportion equation
   19,629.69 : 27,080.37 = 13,083 : x
2. Step 2: Convert to fraction form
   19,629.69/27,080.37 = 13,083/x
3. Step 3: Cross multiply
   19,629.69x = 27,080.37 × 13,083
4. Step 4: Simplify right side
   19,629.69x = 354,292,480.71
5. Step 5: Solve for x
   x = 354,292,480.71/19,629.69
6. Step 6: Final answer
   x = 18,048.81