Finding the Fourth Proportional to 31,421.43, 43,362.42 and 17,082.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,421.43 : 43,362.42 = 17,082.24 : x
2. Step 2: Convert to fraction form
   31,421.43/43,362.42 = 17,082.24/x
3. Step 3: Cross multiply
   31,421.43x = 43,362.42 × 17,082.24
4. Step 4: Simplify right side
   31,421.43x = 740,727,265.42
5. Step 5: Solve for x
   x = 740,727,265.42/31,421.43
6. Step 6: Final answer
   x = 23,573.95