Finding the Fourth Proportional to 8,059.45, 12,077.49 and 5,724.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,059.45 : 12,077.49 = 5,724.03 : x
2. Step 2: Convert to fraction form
   8,059.45/12,077.49 = 5,724.03/x
3. Step 3: Cross multiply
   8,059.45x = 12,077.49 × 5,724.03
4. Step 4: Simplify right side
   8,059.45x = 69,131,915.08
5. Step 5: Solve for x
   x = 69,131,915.08/8,059.45
6. Step 6: Final answer
   x = 8,577.75