Finding the Fourth Proportional to 562,608.78, 843,906.69 and 225,735.18

Step by Step Solution

1. Step 1: Write the proportion equation
   562,608.78 : 843,906.69 = 225,735.18 : x
2. Step 2: Convert to fraction form
   562,608.78/843,906.69 = 225,735.18/x
3. Step 3: Cross multiply
   562,608.78x = 843,906.69 × 225,735.18
4. Step 4: Simplify right side
   562,608.78x = 190,499,428,570.35
5. Step 5: Solve for x
   x = 190,499,428,570.35/562,608.78
6. Step 6: Final answer
   x = 338,600.17