Finding the Fourth Proportional to 16,386.18, 22,613.25 and 8,934.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,386.18 : 22,613.25 = 8,934.18 : x
2. Step 2: Convert to fraction form
   16,386.18/22,613.25 = 8,934.18/x
3. Step 3: Cross multiply
   16,386.18x = 22,613.25 × 8,934.18
4. Step 4: Simplify right side
   16,386.18x = 202,030,845.89
5. Step 5: Solve for x
   x = 202,030,845.89/16,386.18
6. Step 6: Final answer
   x = 12,329.34