Finding the Fourth Proportional to 1,665,976.24, 2,498,942.22 and 403,814.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,976.24 : 2,498,942.22 = 403,814.80 : x
2. Step 2: Convert to fraction form
   1,665,976.24/2,498,942.22 = 403,814.80/x
3. Step 3: Cross multiply
   1,665,976.24x = 2,498,942.22 × 403,814.80
4. Step 4: Simplify right side
   1,665,976.24x = 1,009,109,852,780.86
5. Step 5: Solve for x
   x = 1,009,109,852,780.86/1,665,976.24
6. Step 6: Final answer
   x = 605,716.83