Finding the Fourth Proportional to 16,524.47, 24,764.83 and 12,121.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,524.47 : 24,764.83 = 12,121.31 : x
2. Step 2: Convert to fraction form
   16,524.47/24,764.83 = 12,121.31/x
3. Step 3: Cross multiply
   16,524.47x = 24,764.83 × 12,121.31
4. Step 4: Simplify right side
   16,524.47x = 300,182,181.53
5. Step 5: Solve for x
   x = 300,182,181.53/16,524.47
6. Step 6: Final answer
   x = 18,165.92