Finding the Fourth Proportional to 50,805.72, 70,112.04 and 28,449.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,805.72 : 70,112.04 = 28,449.72 : x
2. Step 2: Convert to fraction form
   50,805.72/70,112.04 = 28,449.72/x
3. Step 3: Cross multiply
   50,805.72x = 70,112.04 × 28,449.72
4. Step 4: Simplify right side
   50,805.72x = 1,994,667,906.63
5. Step 5: Solve for x
   x = 1,994,667,906.63/50,805.72
6. Step 6: Final answer
   x = 39,260.70