Finding the Fourth Proportional to 1,036,357.39, 1,554,536.15 and 404,828.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,357.39 : 1,554,536.15 = 404,828.35 : x
2. Step 2: Convert to fraction form
   1,036,357.39/1,554,536.15 = 404,828.35/x
3. Step 3: Cross multiply
   1,036,357.39x = 1,554,536.15 × 404,828.35
4. Step 4: Simplify right side
   1,036,357.39x = 629,320,304,619.85
5. Step 5: Solve for x
   x = 629,320,304,619.85/1,036,357.39
6. Step 6: Final answer
   x = 607,242.55