Finding the Fourth Proportional to 462,443.67, 638,253.48 and 268,911.27

Step by Step Solution

1. Step 1: Write the proportion equation
   462,443.67 : 638,253.48 = 268,911.27 : x
2. Step 2: Convert to fraction form
   462,443.67/638,253.48 = 268,911.27/x
3. Step 3: Cross multiply
   462,443.67x = 638,253.48 × 268,911.27
4. Step 4: Simplify right side
   462,443.67x = 171,633,553,888.72
5. Step 5: Solve for x
   x = 171,633,553,888.72/462,443.67
6. Step 6: Final answer
   x = 371,144.78