Finding the Fourth Proportional to 36,665.69, 50,595.81 and 20,751.21

Step by Step Solution

1. Step 1: Write the proportion equation
   36,665.69 : 50,595.81 = 20,751.21 : x
2. Step 2: Convert to fraction form
   36,665.69/50,595.81 = 20,751.21/x
3. Step 3: Cross multiply
   36,665.69x = 50,595.81 × 20,751.21
4. Step 4: Simplify right side
   36,665.69x = 1,049,924,200.61
5. Step 5: Solve for x
   x = 1,049,924,200.61/36,665.69
6. Step 6: Final answer
   x = 28,635.06