Finding the Fourth Proportional to 113,847.72, 170,757 and 63,896.64

Step by Step Solution

1. Step 1: Write the proportion equation
   113,847.72 : 170,757 = 63,896.64 : x
2. Step 2: Convert to fraction form
   113,847.72/170,757 = 63,896.64/x
3. Step 3: Cross multiply
   113,847.72x = 170,757 × 63,896.64
4. Step 4: Simplify right side
   113,847.72x = 10,910,798,556.48
5. Step 5: Solve for x
   x = 10,910,798,556.48/113,847.72
6. Step 6: Final answer
   x = 95,836.78