Finding the Fourth Proportional to 424,055.44, 585,196.82 and 233,068.78

Step by Step Solution

1. Step 1: Write the proportion equation
   424,055.44 : 585,196.82 = 233,068.78 : x
2. Step 2: Convert to fraction form
   424,055.44/585,196.82 = 233,068.78/x
3. Step 3: Cross multiply
   424,055.44x = 585,196.82 × 233,068.78
4. Step 4: Simplify right side
   424,055.44x = 136,391,108,897.28
5. Step 5: Solve for x
   x = 136,391,108,897.28/424,055.44
6. Step 6: Final answer
   x = 321,635.09