Finding the Fourth Proportional to 427,728.72, 590,327.94 and 246,405.72

Step by Step Solution

1. Step 1: Write the proportion equation
   427,728.72 : 590,327.94 = 246,405.72 : x
2. Step 2: Convert to fraction form
   427,728.72/590,327.94 = 246,405.72/x
3. Step 3: Cross multiply
   427,728.72x = 590,327.94 × 246,405.72
4. Step 4: Simplify right side
   427,728.72x = 145,460,181,091.82
5. Step 5: Solve for x
   x = 145,460,181,091.82/427,728.72
6. Step 6: Final answer
   x = 340,075.79