Finding the Fourth Proportional to 22,254.50, 30,711.24 and 13,871

Step by Step Solution

1. Step 1: Write the proportion equation
   22,254.50 : 30,711.24 = 13,871 : x
2. Step 2: Convert to fraction form
   22,254.50/30,711.24 = 13,871/x
3. Step 3: Cross multiply
   22,254.50x = 30,711.24 × 13,871
4. Step 4: Simplify right side
   22,254.50x = 425,995,610.04
5. Step 5: Solve for x
   x = 425,995,610.04/22,254.50
6. Step 6: Final answer
   x = 19,142.00