Finding the Fourth Proportional to 36,648.50, 50,570.65 and 20,516.69

Step by Step Solution

1. Step 1: Write the proportion equation
   36,648.50 : 50,570.65 = 20,516.69 : x
2. Step 2: Convert to fraction form
   36,648.50/50,570.65 = 20,516.69/x
3. Step 3: Cross multiply
   36,648.50x = 50,570.65 × 20,516.69
4. Step 4: Simplify right side
   36,648.50x = 1,037,542,045.00
5. Step 5: Solve for x
   x = 1,037,542,045.00/36,648.50
6. Step 6: Final answer
   x = 28,310.63