Finding the Fourth Proportional to 31,853.45, 43,958.61 and 17,513.89

Step by Step Solution

1. Step 1: Write the proportion equation
   31,853.45 : 43,958.61 = 17,513.89 : x
2. Step 2: Convert to fraction form
   31,853.45/43,958.61 = 17,513.89/x
3. Step 3: Cross multiply
   31,853.45x = 43,958.61 × 17,513.89
4. Step 4: Simplify right side
   31,853.45x = 769,886,150.20
5. Step 5: Solve for x
   x = 769,886,150.20/31,853.45
6. Step 6: Final answer
   x = 24,169.63