Finding the Fourth Proportional to 636,323.04, 954,281.71 and 209,779.37

Step by Step Solution

1. Step 1: Write the proportion equation
   636,323.04 : 954,281.71 = 209,779.37 : x
2. Step 2: Convert to fraction form
   636,323.04/954,281.71 = 209,779.37/x
3. Step 3: Cross multiply
   636,323.04x = 954,281.71 × 209,779.37
4. Step 4: Simplify right side
   636,323.04x = 200,188,613,815.69
5. Step 5: Solve for x
   x = 200,188,613,815.69/636,323.04
6. Step 6: Final answer
   x = 314,602.18