Finding the Fourth Proportional to 22,185.91, 30,616.65 and 12,114.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.91 : 30,616.65 = 12,114.57 : x
2. Step 2: Convert to fraction form
   22,185.91/30,616.65 = 12,114.57/x
3. Step 3: Cross multiply
   22,185.91x = 30,616.65 × 12,114.57
4. Step 4: Simplify right side
   22,185.91x = 370,907,549.59
5. Step 5: Solve for x
   x = 370,907,549.59/22,185.91
6. Step 6: Final answer
   x = 16,718.16