Finding the Fourth Proportional to 11,895.27, 17,818.67 and 5,636.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,895.27 : 17,818.67 = 5,636.31 : x
2. Step 2: Convert to fraction form
   11,895.27/17,818.67 = 5,636.31/x
3. Step 3: Cross multiply
   11,895.27x = 17,818.67 × 5,636.31
4. Step 4: Simplify right side
   11,895.27x = 100,431,519.73
5. Step 5: Solve for x
   x = 100,431,519.73/11,895.27
6. Step 6: Final answer
   x = 8,442.98