Finding the Fourth Proportional to 22,243.16, 30,695.42 and 12,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,243.16 : 30,695.42 = 12,171.42 : x
2. Step 2: Convert to fraction form
   22,243.16/30,695.42 = 12,171.42/x
3. Step 3: Cross multiply
   22,243.16x = 30,695.42 × 12,171.42
4. Step 4: Simplify right side
   22,243.16x = 373,606,879.32
5. Step 5: Solve for x
   x = 373,606,879.32/22,243.16
6. Step 6: Final answer
   x = 16,796.48