Finding the Fourth Proportional to 682,822.56, 942,390 and 381,036

Step by Step Solution

1. Step 1: Write the proportion equation
   682,822.56 : 942,390 = 381,036 : x
2. Step 2: Convert to fraction form
   682,822.56/942,390 = 381,036/x
3. Step 3: Cross multiply
   682,822.56x = 942,390 × 381,036
4. Step 4: Simplify right side
   682,822.56x = 359,084,516,040
5. Step 5: Solve for x
   x = 359,084,516,040/682,822.56
6. Step 6: Final answer
   x = 525,882.62