Finding the Fourth Proportional to 424,196.82, 585,386.37 and 233,208.54

Step by Step Solution

1. Step 1: Write the proportion equation
   424,196.82 : 585,386.37 = 233,208.54 : x
2. Step 2: Convert to fraction form
   424,196.82/585,386.37 = 233,208.54/x
3. Step 3: Cross multiply
   424,196.82x = 585,386.37 × 233,208.54
4. Step 4: Simplify right side
   424,196.82x = 136,517,100,981.02
5. Step 5: Solve for x
   x = 136,517,100,981.02/424,196.82
6. Step 6: Final answer
   x = 321,824.90