Finding the Fourth Proportional to 14,308.78, 19,745.31 and 8,341.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,308.78 : 19,745.31 = 8,341.42 : x
2. Step 2: Convert to fraction form
   14,308.78/19,745.31 = 8,341.42/x
3. Step 3: Cross multiply
   14,308.78x = 19,745.31 × 8,341.42
4. Step 4: Simplify right side
   14,308.78x = 164,703,923.74
5. Step 5: Solve for x
   x = 164,703,923.74/14,308.78
6. Step 6: Final answer
   x = 11,510.69