Finding the Fourth Proportional to 8,736.34, 12,056.41 and 4,959.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.34 : 12,056.41 = 4,959.43 : x
2. Step 2: Convert to fraction form
   8,736.34/12,056.41 = 4,959.43/x
3. Step 3: Cross multiply
   8,736.34x = 12,056.41 × 4,959.43
4. Step 4: Simplify right side
   8,736.34x = 59,792,921.45
5. Step 5: Solve for x
   x = 59,792,921.45/8,736.34
6. Step 6: Final answer
   x = 6,844.16