Finding the Fourth Proportional to 22,375.39, 30,870.35 and 13,874.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.39 : 30,870.35 = 13,874.45 : x
2. Step 2: Convert to fraction form
   22,375.39/30,870.35 = 13,874.45/x
3. Step 3: Cross multiply
   22,375.39x = 30,870.35 × 13,874.45
4. Step 4: Simplify right side
   22,375.39x = 428,308,903.83
5. Step 5: Solve for x
   x = 428,308,903.83/22,375.39
6. Step 6: Final answer
   x = 19,141.97