Finding the Fourth Proportional to 22,243, 30,695.16 and 12,171.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,243 : 30,695.16 = 12,171.48 : x
2. Step 2: Convert to fraction form
   22,243/30,695.16 = 12,171.48/x
3. Step 3: Cross multiply
   22,243x = 30,695.16 × 12,171.48
4. Step 4: Simplify right side
   22,243x = 373,605,526.04
5. Step 5: Solve for x
   x = 373,605,526.04/22,243
6. Step 6: Final answer
   x = 16,796.54