Finding the Fourth Proportional to 31,265.72, 43,146.82 and 17,119.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,265.72 : 43,146.82 = 17,119.88 : x
2. Step 2: Convert to fraction form
   31,265.72/43,146.82 = 17,119.88/x
3. Step 3: Cross multiply
   31,265.72x = 43,146.82 × 17,119.88
4. Step 4: Simplify right side
   31,265.72x = 738,668,380.78
5. Step 5: Solve for x
   x = 738,668,380.78/31,265.72
6. Step 6: Final answer
   x = 23,625.50