Finding the Fourth Proportional to 22,185.87, 30,615.27 and 12,112.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.87 : 30,615.27 = 12,112.30 : x
2. Step 2: Convert to fraction form
   22,185.87/30,615.27 = 12,112.30/x
3. Step 3: Cross multiply
   22,185.87x = 30,615.27 × 12,112.30
4. Step 4: Simplify right side
   22,185.87x = 370,821,327.67
5. Step 5: Solve for x
   x = 370,821,327.67/22,185.87
6. Step 6: Final answer
   x = 16,714.30