Finding the Fourth Proportional to 50,900, 70,242.04 and 28,544

Step by Step Solution

1. Step 1: Write the proportion equation
   50,900 : 70,242.04 = 28,544 : x
2. Step 2: Convert to fraction form
   50,900/70,242.04 = 28,544/x
3. Step 3: Cross multiply
   50,900x = 70,242.04 × 28,544
4. Step 4: Simplify right side
   50,900x = 2,004,988,789.76
5. Step 5: Solve for x
   x = 2,004,988,789.76/50,900
6. Step 6: Final answer
   x = 39,390.74