Finding the Fourth Proportional to 23,016.09, 31,768.83 and 13,587.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,016.09 : 31,768.83 = 13,587.69 : x
2. Step 2: Convert to fraction form
   23,016.09/31,768.83 = 13,587.69/x
3. Step 3: Cross multiply
   23,016.09x = 31,768.83 × 13,587.69
4. Step 4: Simplify right side
   23,016.09x = 431,665,013.70
5. Step 5: Solve for x
   x = 431,665,013.70/23,016.09
6. Step 6: Final answer
   x = 18,754.92