Finding the Fourth Proportional to 23,085.36, 31,855.88 and 13,016.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,085.36 : 31,855.88 = 13,016.27 : x
2. Step 2: Convert to fraction form
   23,085.36/31,855.88 = 13,016.27/x
3. Step 3: Cross multiply
   23,085.36x = 31,855.88 × 13,016.27
4. Step 4: Simplify right side
   23,085.36x = 414,644,510.81
5. Step 5: Solve for x
   x = 414,644,510.81/23,085.36
6. Step 6: Final answer
   x = 17,961.36