Finding the Fourth Proportional to 36,725.34, 50,680.83 and 20,812.83

Step by Step Solution

1. Step 1: Write the proportion equation
   36,725.34 : 50,680.83 = 20,812.83 : x
2. Step 2: Convert to fraction form
   36,725.34/50,680.83 = 20,812.83/x
3. Step 3: Cross multiply
   36,725.34x = 50,680.83 × 20,812.83
4. Step 4: Simplify right side
   36,725.34x = 1,054,811,499.05
5. Step 5: Solve for x
   x = 1,054,811,499.05/36,725.34
6. Step 6: Final answer
   x = 28,721.63