Finding the Fourth Proportional to 23,087.94, 31,858.92 and 13,016.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,087.94 : 31,858.92 = 13,016.13 : x
2. Step 2: Convert to fraction form
   23,087.94/31,858.92 = 13,016.13/x
3. Step 3: Cross multiply
   23,087.94x = 31,858.92 × 13,016.13
4. Step 4: Simplify right side
   23,087.94x = 414,679,844.38
5. Step 5: Solve for x
   x = 414,679,844.38/23,087.94
6. Step 6: Final answer
   x = 17,960.89