Finding the Fourth Proportional to 12,297.36, 16,984.52 and 8,955.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,297.36 : 16,984.52 = 8,955.12 : x
2. Step 2: Convert to fraction form
   12,297.36/16,984.52 = 8,955.12/x
3. Step 3: Cross multiply
   12,297.36x = 16,984.52 × 8,955.12
4. Step 4: Simplify right side
   12,297.36x = 152,098,285.04
5. Step 5: Solve for x
   x = 152,098,285.04/12,297.36
6. Step 6: Final answer
   x = 12,368.37