Finding the Fourth Proportional to 51,496.57, 71,067 and 28,836.51

Step by Step Solution

1. Step 1: Write the proportion equation
   51,496.57 : 71,067 = 28,836.51 : x
2. Step 2: Convert to fraction form
   51,496.57/71,067 = 28,836.51/x
3. Step 3: Cross multiply
   51,496.57x = 71,067 × 28,836.51
4. Step 4: Simplify right side
   51,496.57x = 2,049,324,256.17
5. Step 5: Solve for x
   x = 2,049,324,256.17/51,496.57
6. Step 6: Final answer
   x = 39,795.35