Finding the Fourth Proportional to 1,078,660.45, 1,617,570.16 and 404,373.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,660.45 : 1,617,570.16 = 404,373.83 : x
2. Step 2: Convert to fraction form
   1,078,660.45/1,617,570.16 = 404,373.83/x
3. Step 3: Cross multiply
   1,078,660.45x = 1,617,570.16 × 404,373.83
4. Step 4: Simplify right side
   1,078,660.45x = 654,103,046,010.93
5. Step 5: Solve for x
   x = 654,103,046,010.93/1,078,660.45
6. Step 6: Final answer
   x = 606,403.11