Finding the Fourth Proportional to 1,152,786.06, 1,729,412.37 and 404,890.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,786.06 : 1,729,412.37 = 404,890.38 : x
2. Step 2: Convert to fraction form
   1,152,786.06/1,729,412.37 = 404,890.38/x
3. Step 3: Cross multiply
   1,152,786.06x = 1,729,412.37 × 404,890.38
4. Step 4: Simplify right side
   1,152,786.06x = 700,222,431,666.00
5. Step 5: Solve for x
   x = 700,222,431,666.00/1,152,786.06
6. Step 6: Final answer
   x = 607,417.50