Finding the Fourth Proportional to 13,986.41, 19,301.59 and 8,020.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,986.41 : 19,301.59 = 8,020.01 : x
2. Step 2: Convert to fraction form
   13,986.41/19,301.59 = 8,020.01/x
3. Step 3: Cross multiply
   13,986.41x = 19,301.59 × 8,020.01
4. Step 4: Simplify right side
   13,986.41x = 154,799,003.09
5. Step 5: Solve for x
   x = 154,799,003.09/13,986.41
6. Step 6: Final answer
   x = 11,067.82