Finding the Fourth Proportional to 36,499.76, 50,369.20 and 20,589.34

Step by Step Solution

1. Step 1: Write the proportion equation
   36,499.76 : 50,369.20 = 20,589.34 : x
2. Step 2: Convert to fraction form
   36,499.76/50,369.20 = 20,589.34/x
3. Step 3: Cross multiply
   36,499.76x = 50,369.20 × 20,589.34
4. Step 4: Simplify right side
   36,499.76x = 1,037,068,584.33
5. Step 5: Solve for x
   x = 1,037,068,584.33/36,499.76
6. Step 6: Final answer
   x = 28,413.02