Finding the Fourth Proportional to 14,025.89, 19,358.14 and 13,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,025.89 : 19,358.14 = 13,395.31 : x
2. Step 2: Convert to fraction form
   14,025.89/19,358.14 = 13,395.31/x
3. Step 3: Cross multiply
   14,025.89x = 19,358.14 × 13,395.31
4. Step 4: Simplify right side
   14,025.89x = 259,308,229.56
5. Step 5: Solve for x
   x = 259,308,229.56/14,025.89
6. Step 6: Final answer
   x = 18,487.82