Finding the Fourth Proportional to 22,243.10, 30,695.49 and 12,171.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,243.10 : 30,695.49 = 12,171.51 : x
2. Step 2: Convert to fraction form
   22,243.10/30,695.49 = 12,171.51/x
3. Step 3: Cross multiply
   22,243.10x = 30,695.49 × 12,171.51
4. Step 4: Simplify right side
   22,243.10x = 373,610,463.49
5. Step 5: Solve for x
   x = 373,610,463.49/22,243.10
6. Step 6: Final answer
   x = 16,796.69