Finding the Fourth Proportional to 298,162.31, 411,456.56 and 170,829.69

Step by Step Solution

1. Step 1: Write the proportion equation
   298,162.31 : 411,456.56 = 170,829.69 : x
2. Step 2: Convert to fraction form
   298,162.31/411,456.56 = 170,829.69/x
3. Step 3: Cross multiply
   298,162.31x = 411,456.56 × 170,829.69
4. Step 4: Simplify right side
   298,162.31x = 70,288,995,739.12
5. Step 5: Solve for x
   x = 70,288,995,739.12/298,162.31
6. Step 6: Final answer
   x = 235,740.72