Finding the Fourth Proportional to 23,082, 31,853.16 and 13,147.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,082 : 31,853.16 = 13,147.92 : x
2. Step 2: Convert to fraction form
   23,082/31,853.16 = 13,147.92/x
3. Step 3: Cross multiply
   23,082x = 31,853.16 × 13,147.92
4. Step 4: Simplify right side
   23,082x = 418,802,799.43
5. Step 5: Solve for x
   x = 418,802,799.43/23,082
6. Step 6: Final answer
   x = 18,144.13