Finding the Fourth Proportional to 8,262.34, 12,405.76 and 8,016.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,262.34 : 12,405.76 = 8,016.30 : x
2. Step 2: Convert to fraction form
   8,262.34/12,405.76 = 8,016.30/x
3. Step 3: Cross multiply
   8,262.34x = 12,405.76 × 8,016.30
4. Step 4: Simplify right side
   8,262.34x = 99,448,273.85
5. Step 5: Solve for x
   x = 99,448,273.85/8,262.34
6. Step 6: Final answer
   x = 12,036.34