Finding the Fourth Proportional to 51,238, 70,708.56 and 28,882

Step by Step Solution

1. Step 1: Write the proportion equation
   51,238 : 70,708.56 = 28,882 : x
2. Step 2: Convert to fraction form
   51,238/70,708.56 = 28,882/x
3. Step 3: Cross multiply
   51,238x = 70,708.56 × 28,882
4. Step 4: Simplify right side
   51,238x = 2,042,204,629.92
5. Step 5: Solve for x
   x = 2,042,204,629.92/51,238
6. Step 6: Final answer
   x = 39,857.23