Finding the Fourth Proportional to 598,824.82, 826,647.69 and 394,996.42

Step by Step Solution

1. Step 1: Write the proportion equation
   598,824.82 : 826,647.69 = 394,996.42 : x
2. Step 2: Convert to fraction form
   598,824.82/826,647.69 = 394,996.42/x
3. Step 3: Cross multiply
   598,824.82x = 826,647.69 × 394,996.42
4. Step 4: Simplify right side
   598,824.82x = 326,522,878,151.27
5. Step 5: Solve for x
   x = 326,522,878,151.27/598,824.82
6. Step 6: Final answer
   x = 545,272.79