Finding the Fourth Proportional to 1,036,019.82, 1,554,240.69 and 436,983.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,019.82 : 1,554,240.69 = 436,983.21 : x
2. Step 2: Convert to fraction form
   1,036,019.82/1,554,240.69 = 436,983.21/x
3. Step 3: Cross multiply
   1,036,019.82x = 1,554,240.69 × 436,983.21
4. Step 4: Simplify right side
   1,036,019.82x = 679,177,085,828.82
5. Step 5: Solve for x
   x = 679,177,085,828.82/1,036,019.82
6. Step 6: Final answer
   x = 655,563.80