Finding the Fourth Proportional to 50,621.56, 69,857.76 and 28,265.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,621.56 : 69,857.76 = 28,265.56 : x
2. Step 2: Convert to fraction form
   50,621.56/69,857.76 = 28,265.56/x
3. Step 3: Cross multiply
   50,621.56x = 69,857.76 × 28,265.56
4. Step 4: Simplify right side
   50,621.56x = 1,974,568,810.73
5. Step 5: Solve for x
   x = 1,974,568,810.73/50,621.56
6. Step 6: Final answer
   x = 39,006.48