Finding the Fourth Proportional to 23,174.82, 31,979.34 and 13,104.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.82 : 31,979.34 = 13,104.29 : x
2. Step 2: Convert to fraction form
   23,174.82/31,979.34 = 13,104.29/x
3. Step 3: Cross multiply
   23,174.82x = 31,979.34 × 13,104.29
4. Step 4: Simplify right side
   23,174.82x = 419,066,625.32
5. Step 5: Solve for x
   x = 419,066,625.32/23,174.82
6. Step 6: Final answer
   x = 18,082.84