Finding the Fourth Proportional to 22,121.25, 30,527.33 and 12,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,121.25 : 30,527.33 = 12,185.25 : x
2. Step 2: Convert to fraction form
   22,121.25/30,527.33 = 12,185.25/x
3. Step 3: Cross multiply
   22,121.25x = 30,527.33 × 12,185.25
4. Step 4: Simplify right side
   22,121.25x = 371,983,086.96
5. Step 5: Solve for x
   x = 371,983,086.96/22,121.25
6. Step 6: Final answer
   x = 16,815.65