Finding the Fourth Proportional to 16,461.14, 22,714.72 and 9,290.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,461.14 : 22,714.72 = 9,290.42 : x
2. Step 2: Convert to fraction form
   16,461.14/22,714.72 = 9,290.42/x
3. Step 3: Cross multiply
   16,461.14x = 22,714.72 × 9,290.42
4. Step 4: Simplify right side
   16,461.14x = 211,029,175.41
5. Step 5: Solve for x
   x = 211,029,175.41/16,461.14
6. Step 6: Final answer
   x = 12,819.84