Finding the Fourth Proportional to 427,809.72, 590,377.59 and 234,229.98

Step by Step Solution

1. Step 1: Write the proportion equation
   427,809.72 : 590,377.59 = 234,229.98 : x
2. Step 2: Convert to fraction form
   427,809.72/590,377.59 = 234,229.98/x
3. Step 3: Cross multiply
   427,809.72x = 590,377.59 × 234,229.98
4. Step 4: Simplify right side
   427,809.72x = 138,284,131,098.15
5. Step 5: Solve for x
   x = 138,284,131,098.15/427,809.72
6. Step 6: Final answer
   x = 323,237.47