Finding the Fourth Proportional to 36,715.05, 50,667.78 and 20,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,715.05 : 50,667.78 = 20,799.50 : x
2. Step 2: Convert to fraction form
   36,715.05/50,667.78 = 20,799.50/x
3. Step 3: Cross multiply
   36,715.05x = 50,667.78 × 20,799.50
4. Step 4: Simplify right side
   36,715.05x = 1,053,864,236.77
5. Step 5: Solve for x
   x = 1,053,864,236.77/36,715.05
6. Step 6: Final answer
   x = 28,703.88