Finding the Fourth Proportional to 8,843.63, 12,205.89 and 5,259.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,843.63 : 12,205.89 = 5,259.38 : x
2. Step 2: Convert to fraction form
   8,843.63/12,205.89 = 5,259.38/x
3. Step 3: Cross multiply
   8,843.63x = 12,205.89 × 5,259.38
4. Step 4: Simplify right side
   8,843.63x = 64,195,352.72
5. Step 5: Solve for x
   x = 64,195,352.72/8,843.63
6. Step 6: Final answer
   x = 7,258.94