Finding the Fourth Proportional to 839,877, 1,259,942.40 and 271,068

Step by Step Solution

1. Step 1: Write the proportion equation
   839,877 : 1,259,942.40 = 271,068 : x
2. Step 2: Convert to fraction form
   839,877/1,259,942.40 = 271,068/x
3. Step 3: Cross multiply
   839,877x = 1,259,942.40 × 271,068
4. Step 4: Simplify right side
   839,877x = 341,530,066,483.20
5. Step 5: Solve for x
   x = 341,530,066,483.20/839,877
6. Step 6: Final answer
   x = 406,642.96