Finding the Fourth Proportional to 636,335.48, 954,300.27 and 209,791.82

Step by Step Solution

1. Step 1: Write the proportion equation
   636,335.48 : 954,300.27 = 209,791.82 : x
2. Step 2: Convert to fraction form
   636,335.48/954,300.27 = 209,791.82/x
3. Step 3: Cross multiply
   636,335.48x = 954,300.27 × 209,791.82
4. Step 4: Simplify right side
   636,335.48x = 200,204,390,469.79
5. Step 5: Solve for x
   x = 200,204,390,469.79/636,335.48
6. Step 6: Final answer
   x = 314,620.82