Finding the Fourth Proportional to 8,162.97, 12,246.59 and 4,215.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.97 : 12,246.59 = 4,215.42 : x
2. Step 2: Convert to fraction form
   8,162.97/12,246.59 = 4,215.42/x
3. Step 3: Cross multiply
   8,162.97x = 12,246.59 × 4,215.42
4. Step 4: Simplify right side
   8,162.97x = 51,624,499.34
5. Step 5: Solve for x
   x = 51,624,499.34/8,162.97
6. Step 6: Final answer
   x = 6,324.23