Finding the Fourth Proportional to 22,128.14, 30,536.82 and 12,192.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,128.14 : 30,536.82 = 12,192.14 : x
2. Step 2: Convert to fraction form
   22,128.14/30,536.82 = 12,192.14/x
3. Step 3: Cross multiply
   22,128.14x = 30,536.82 × 12,192.14
4. Step 4: Simplify right side
   22,128.14x = 372,309,184.59
5. Step 5: Solve for x
   x = 372,309,184.59/22,128.14
6. Step 6: Final answer
   x = 16,825.15