Finding the Fourth Proportional to 358,667.88, 494,942.72 and 205,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   358,667.88 : 494,942.72 = 205,698.18 : x
2. Step 2: Convert to fraction form
   358,667.88/494,942.72 = 205,698.18/x
3. Step 3: Cross multiply
   358,667.88x = 494,942.72 × 205,698.18
4. Step 4: Simplify right side
   358,667.88x = 101,808,816,708.25
5. Step 5: Solve for x
   x = 101,808,816,708.25/358,667.88
6. Step 6: Final answer
   x = 283,852.62