Finding the Fourth Proportional to 16,404.34, 24,613.72 and 8,611.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.34 : 24,613.72 = 8,611.34 : x
2. Step 2: Convert to fraction form
   16,404.34/24,613.72 = 8,611.34/x
3. Step 3: Cross multiply
   16,404.34x = 24,613.72 × 8,611.34
4. Step 4: Simplify right side
   16,404.34x = 211,957,111.58
5. Step 5: Solve for x
   x = 211,957,111.58/16,404.34
6. Step 6: Final answer
   x = 12,920.79