Finding the Fourth Proportional to 22,375.21, 30,870.11 and 13,874.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.21 : 30,870.11 = 13,874.27 : x
2. Step 2: Convert to fraction form
   22,375.21/30,870.11 = 13,874.27/x
3. Step 3: Cross multiply
   22,375.21x = 30,870.11 × 13,874.27
4. Step 4: Simplify right side
   22,375.21x = 428,300,304.80
5. Step 5: Solve for x
   x = 428,300,304.80/22,375.21
6. Step 6: Final answer
   x = 19,141.73