Finding the Fourth Proportional to 922,391.82, 1,383,513.89 and 410,215.55

Step by Step Solution

1. Step 1: Write the proportion equation
   922,391.82 : 1,383,513.89 = 410,215.55 : x
2. Step 2: Convert to fraction form
   922,391.82/1,383,513.89 = 410,215.55/x
3. Step 3: Cross multiply
   922,391.82x = 1,383,513.89 × 410,215.55
4. Step 4: Simplify right side
   922,391.82x = 567,538,902,350.34
5. Step 5: Solve for x
   x = 567,538,902,350.34/922,391.82
6. Step 6: Final answer
   x = 615,290.48