Finding the Fourth Proportional to 8,059.16, 12,069.28 and 4,151.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,059.16 : 12,069.28 = 4,151.72 : x
2. Step 2: Convert to fraction form
   8,059.16/12,069.28 = 4,151.72/x
3. Step 3: Cross multiply
   8,059.16x = 12,069.28 × 4,151.72
4. Step 4: Simplify right side
   8,059.16x = 50,108,271.16
5. Step 5: Solve for x
   x = 50,108,271.16/8,059.16
6. Step 6: Final answer
   x = 6,217.56