Finding the Fourth Proportional to 8,736, 12,057.84 and 5,012.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736 : 12,057.84 = 5,012.16 : x
2. Step 2: Convert to fraction form
   8,736/12,057.84 = 5,012.16/x
3. Step 3: Cross multiply
   8,736x = 12,057.84 × 5,012.16
4. Step 4: Simplify right side
   8,736x = 60,435,823.33
5. Step 5: Solve for x
   x = 60,435,823.33/8,736
6. Step 6: Final answer
   x = 6,918.02