Finding the Fourth Proportional to 113,500.47, 170,145.49 and 50,286.83

Step by Step Solution

1. Step 1: Write the proportion equation
   113,500.47 : 170,145.49 = 50,286.83 : x
2. Step 2: Convert to fraction form
   113,500.47/170,145.49 = 50,286.83/x
3. Step 3: Cross multiply
   113,500.47x = 170,145.49 × 50,286.83
4. Step 4: Simplify right side
   113,500.47x = 8,556,077,330.90
5. Step 5: Solve for x
   x = 8,556,077,330.90/113,500.47
6. Step 6: Final answer
   x = 75,383.63