Finding the Fourth Proportional to 8,736.12, 12,059.82 and 5,752.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.12 : 12,059.82 = 5,752.08 : x
2. Step 2: Convert to fraction form
   8,736.12/12,059.82 = 5,752.08/x
3. Step 3: Cross multiply
   8,736.12x = 12,059.82 × 5,752.08
4. Step 4: Simplify right side
   8,736.12x = 69,369,049.43
5. Step 5: Solve for x
   x = 69,369,049.43/8,736.12
6. Step 6: Final answer
   x = 7,940.49