Finding the Fourth Proportional to 426,143.56, 588,111.31 and 244,918.72

Step by Step Solution

1. Step 1: Write the proportion equation
   426,143.56 : 588,111.31 = 244,918.72 : x
2. Step 2: Convert to fraction form
   426,143.56/588,111.31 = 244,918.72/x
3. Step 3: Cross multiply
   426,143.56x = 588,111.31 × 244,918.72
4. Step 4: Simplify right side
   426,143.56x = 144,039,469,262.72
5. Step 5: Solve for x
   x = 144,039,469,262.72/426,143.56
6. Step 6: Final answer
   x = 338,006.91