Finding the Fourth Proportional to 16,636.82, 24,939.03 and 13,523.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,636.82 : 24,939.03 = 13,523.18 : x
2. Step 2: Convert to fraction form
   16,636.82/24,939.03 = 13,523.18/x
3. Step 3: Cross multiply
   16,636.82x = 24,939.03 × 13,523.18
4. Step 4: Simplify right side
   16,636.82x = 337,254,991.72
5. Step 5: Solve for x
   x = 337,254,991.72/16,636.82
6. Step 6: Final answer
   x = 20,271.60