Finding the Fourth Proportional to 36,711, 50,665.50 and 21,807

Step by Step Solution

1. Step 1: Write the proportion equation
   36,711 : 50,665.50 = 21,807 : x
2. Step 2: Convert to fraction form
   36,711/50,665.50 = 21,807/x
3. Step 3: Cross multiply
   36,711x = 50,665.50 × 21,807
4. Step 4: Simplify right side
   36,711x = 1,104,862,558.50
5. Step 5: Solve for x
   x = 1,104,862,558.50/36,711
6. Step 6: Final answer
   x = 30,096.23