Finding the Fourth Proportional to 978,635.72, 1,467,955.82 and 268,673.48

Step by Step Solution

1. Step 1: Write the proportion equation
   978,635.72 : 1,467,955.82 = 268,673.48 : x
2. Step 2: Convert to fraction form
   978,635.72/1,467,955.82 = 268,673.48/x
3. Step 3: Cross multiply
   978,635.72x = 1,467,955.82 × 268,673.48
4. Step 4: Simplify right side
   978,635.72x = 394,400,798,645.65
5. Step 5: Solve for x
   x = 394,400,798,645.65/978,635.72
6. Step 6: Final answer
   x = 403,010.83