Finding the Fourth Proportional to 281,956.69, 389,120.82 and 161,095.38

Step by Step Solution

1. Step 1: Write the proportion equation
   281,956.69 : 389,120.82 = 161,095.38 : x
2. Step 2: Convert to fraction form
   281,956.69/389,120.82 = 161,095.38/x
3. Step 3: Cross multiply
   281,956.69x = 389,120.82 × 161,095.38
4. Step 4: Simplify right side
   281,956.69x = 62,685,564,300.50
5. Step 5: Solve for x
   x = 62,685,564,300.50/281,956.69
6. Step 6: Final answer
   x = 222,323.38