Finding the Fourth Proportional to 1,483,648.18, 2,225,846.49 and 685,494.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483,648.18 : 2,225,846.49 = 685,494.02 : x
2. Step 2: Convert to fraction form
   1,483,648.18/2,225,846.49 = 685,494.02/x
3. Step 3: Cross multiply
   1,483,648.18x = 2,225,846.49 × 685,494.02
4. Step 4: Simplify right side
   1,483,648.18x = 1,525,804,461,327.00
5. Step 5: Solve for x
   x = 1,525,804,461,327.00/1,483,648.18
6. Step 6: Final answer
   x = 1,028,413.94