Finding the Fourth Proportional to 8,143.02, 12,201.72 and 4,854.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,143.02 : 12,201.72 = 4,854.29 : x
2. Step 2: Convert to fraction form
   8,143.02/12,201.72 = 4,854.29/x
3. Step 3: Cross multiply
   8,143.02x = 12,201.72 × 4,854.29
4. Step 4: Simplify right side
   8,143.02x = 59,230,626.37
5. Step 5: Solve for x
   x = 59,230,626.37/8,143.02
6. Step 6: Final answer
   x = 7,273.79