Finding the Fourth Proportional to 22,375.57, 30,870.60 and 13,874.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.57 : 30,870.60 = 13,874.63 : x
2. Step 2: Convert to fraction form
   22,375.57/30,870.60 = 13,874.63/x
3. Step 3: Cross multiply
   22,375.57x = 30,870.60 × 13,874.63
4. Step 4: Simplify right side
   22,375.57x = 428,318,152.88
5. Step 5: Solve for x
   x = 428,318,152.88/22,375.57
6. Step 6: Final answer
   x = 19,142.22