Finding the Fourth Proportional to 113,863.72, 170,804.22 and 30,757

Step by Step Solution

1. Step 1: Write the proportion equation
   113,863.72 : 170,804.22 = 30,757 : x
2. Step 2: Convert to fraction form
   113,863.72/170,804.22 = 30,757/x
3. Step 3: Cross multiply
   113,863.72x = 170,804.22 × 30,757
4. Step 4: Simplify right side
   113,863.72x = 5,253,425,394.54
5. Step 5: Solve for x
   x = 5,253,425,394.54/113,863.72
6. Step 6: Final answer
   x = 46,137.83