Finding the Fourth Proportional to 8,055.16, 12,063.28 and 4,147.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.16 : 12,063.28 = 4,147.72 : x
2. Step 2: Convert to fraction form
   8,055.16/12,063.28 = 4,147.72/x
3. Step 3: Cross multiply
   8,055.16x = 12,063.28 × 4,147.72
4. Step 4: Simplify right side
   8,055.16x = 50,035,107.72
5. Step 5: Solve for x
   x = 50,035,107.72/8,055.16
6. Step 6: Final answer
   x = 6,211.56