Finding the Fourth Proportional to 22,297.25, 30,769.37 and 12,225.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,297.25 : 30,769.37 = 12,225.45 : x
2. Step 2: Convert to fraction form
   22,297.25/30,769.37 = 12,225.45/x
3. Step 3: Cross multiply
   22,297.25x = 30,769.37 × 12,225.45
4. Step 4: Simplify right side
   22,297.25x = 376,169,333.34
5. Step 5: Solve for x
   x = 376,169,333.34/22,297.25
6. Step 6: Final answer
   x = 16,870.66