Finding the Fourth Proportional to 9,633.98, 14,443.71 and 5,255.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,633.98 : 14,443.71 = 5,255.18 : x
2. Step 2: Convert to fraction form
   9,633.98/14,443.71 = 5,255.18/x
3. Step 3: Cross multiply
   9,633.98x = 14,443.71 × 5,255.18
4. Step 4: Simplify right side
   9,633.98x = 75,904,295.92
5. Step 5: Solve for x
   x = 75,904,295.92/9,633.98
6. Step 6: Final answer
   x = 7,878.81