Finding the Fourth Proportional to 16,031.20, 22,096.56 and 12,851.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.20 : 22,096.56 = 12,851.68 : x
2. Step 2: Convert to fraction form
   16,031.20/22,096.56 = 12,851.68/x
3. Step 3: Cross multiply
   16,031.20x = 22,096.56 × 12,851.68
4. Step 4: Simplify right side
   16,031.20x = 283,977,918.22
5. Step 5: Solve for x
   x = 283,977,918.22/16,031.20
6. Step 6: Final answer
   x = 17,714.08