Finding the Fourth Proportional to 8,863.69, 12,231.37 and 5,326.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,863.69 : 12,231.37 = 5,326.22 : x
2. Step 2: Convert to fraction form
   8,863.69/12,231.37 = 5,326.22/x
3. Step 3: Cross multiply
   8,863.69x = 12,231.37 × 5,326.22
4. Step 4: Simplify right side
   8,863.69x = 65,146,967.52
5. Step 5: Solve for x
   x = 65,146,967.52/8,863.69
6. Step 6: Final answer
   x = 7,349.87