Finding the Fourth Proportional to 50,621.25, 69,857.33 and 28,265.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,621.25 : 69,857.33 = 28,265.25 : x
2. Step 2: Convert to fraction form
   50,621.25/69,857.33 = 28,265.25/x
3. Step 3: Cross multiply
   50,621.25x = 69,857.33 × 28,265.25
4. Step 4: Simplify right side
   50,621.25x = 1,974,534,755.46
5. Step 5: Solve for x
   x = 1,974,534,755.46/50,621.25
6. Step 6: Final answer
   x = 39,006.05