Finding the Fourth Proportional to 423,718.50, 584,783.37 and 244,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,718.50 : 584,783.37 = 244,870.50 : x
2. Step 2: Convert to fraction form
   423,718.50/584,783.37 = 244,870.50/x
3. Step 3: Cross multiply
   423,718.50x = 584,783.37 × 244,870.50
4. Step 4: Simplify right side
   423,718.50x = 143,196,196,203.59
5. Step 5: Solve for x
   x = 143,196,196,203.59/423,718.50
6. Step 6: Final answer
   x = 337,951.25