Finding the Fourth Proportional to 16,016.31, 23,992.25 and 7,986.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,016.31 : 23,992.25 = 7,986.84 : x
2. Step 2: Convert to fraction form
   16,016.31/23,992.25 = 7,986.84/x
3. Step 3: Cross multiply
   16,016.31x = 23,992.25 × 7,986.84
4. Step 4: Simplify right side
   16,016.31x = 191,622,222.06
5. Step 5: Solve for x
   x = 191,622,222.06/16,016.31
6. Step 6: Final answer
   x = 11,964.19