Finding the Fourth Proportional to 636,333.48, 954,297.27 and 209,789.82

Step by Step Solution

1. Step 1: Write the proportion equation
   636,333.48 : 954,297.27 = 209,789.82 : x
2. Step 2: Convert to fraction form
   636,333.48/954,297.27 = 209,789.82/x
3. Step 3: Cross multiply
   636,333.48x = 954,297.27 × 209,789.82
4. Step 4: Simplify right side
   636,333.48x = 200,201,852,499.79
5. Step 5: Solve for x
   x = 200,201,852,499.79/636,333.48
6. Step 6: Final answer
   x = 314,617.82