Finding the Fourth Proportional to 22,375.71, 30,866.31 and 13,874.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.71 : 30,866.31 = 13,874.94 : x
2. Step 2: Convert to fraction form
   22,375.71/30,866.31 = 13,874.94/x
3. Step 3: Cross multiply
   22,375.71x = 30,866.31 × 13,874.94
4. Step 4: Simplify right side
   22,375.71x = 428,268,199.27
5. Step 5: Solve for x
   x = 428,268,199.27/22,375.71
6. Step 6: Final answer
   x = 19,139.87