Finding the Fourth Proportional to 281,744.16, 422,685.09 and 82,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   281,744.16 : 422,685.09 = 82,061.34 : x
2. Step 2: Convert to fraction form
   281,744.16/422,685.09 = 82,061.34/x
3. Step 3: Cross multiply
   281,744.16x = 422,685.09 × 82,061.34
4. Step 4: Simplify right side
   281,744.16x = 34,686,104,883.42
5. Step 5: Solve for x
   x = 34,686,104,883.42/281,744.16
6. Step 6: Final answer
   x = 123,112.06