Finding the Fourth Proportional to 1,036,141.06, 1,554,205.83 and 326,221.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,141.06 : 1,554,205.83 = 326,221.06 : x
2. Step 2: Convert to fraction form
   1,036,141.06/1,554,205.83 = 326,221.06/x
3. Step 3: Cross multiply
   1,036,141.06x = 1,554,205.83 × 326,221.06
4. Step 4: Simplify right side
   1,036,141.06x = 507,014,673,320.78
5. Step 5: Solve for x
   x = 507,014,673,320.78/1,036,141.06
6. Step 6: Final answer
   x = 489,329.78