Finding the Fourth Proportional to 444,667.31, 613,640.18 and 240,718.18

Step by Step Solution

1. Step 1: Write the proportion equation
   444,667.31 : 613,640.18 = 240,718.18 : x
2. Step 2: Convert to fraction form
   444,667.31/613,640.18 = 240,718.18/x
3. Step 3: Cross multiply
   444,667.31x = 613,640.18 × 240,718.18
4. Step 4: Simplify right side
   444,667.31x = 147,714,343,032.68
5. Step 5: Solve for x
   x = 147,714,343,032.68/444,667.31
6. Step 6: Final answer
   x = 332,190.70