Finding the Fourth Proportional to 31,661.64, 43,692.89 and 17,514.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,661.64 : 43,692.89 = 17,514.18 : x
2. Step 2: Convert to fraction form
   31,661.64/43,692.89 = 17,514.18/x
3. Step 3: Cross multiply
   31,661.64x = 43,692.89 × 17,514.18
4. Step 4: Simplify right side
   31,661.64x = 765,245,052.61
5. Step 5: Solve for x
   x = 765,245,052.61/31,661.64
6. Step 6: Final answer
   x = 24,169.47