Finding the Fourth Proportional to 1,027,839.72, 1,541,648.78 and 269,757.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,839.72 : 1,541,648.78 = 269,757.18 : x
2. Step 2: Convert to fraction form
   1,027,839.72/1,541,648.78 = 269,757.18/x
3. Step 3: Cross multiply
   1,027,839.72x = 1,541,648.78 × 269,757.18
4. Step 4: Simplify right side
   1,027,839.72x = 415,870,827,443.24
5. Step 5: Solve for x
   x = 415,870,827,443.24/1,027,839.72
6. Step 6: Final answer
   x = 404,606.69