Finding the Fourth Proportional to 14,663.05, 20,237.72 and 8,375.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,663.05 : 20,237.72 = 8,375.42 : x
2. Step 2: Convert to fraction form
   14,663.05/20,237.72 = 8,375.42/x
3. Step 3: Cross multiply
   14,663.05x = 20,237.72 × 8,375.42
4. Step 4: Simplify right side
   14,663.05x = 169,499,413.56
5. Step 5: Solve for x
   x = 169,499,413.56/14,663.05
6. Step 6: Final answer
   x = 11,559.63