Finding the Fourth Proportional to 2,560,323.61, 3,842,375.16 and 1,212,483.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560,323.61 : 3,842,375.16 = 1,212,483.61 : x
2. Step 2: Convert to fraction form
   2,560,323.61/3,842,375.16 = 1,212,483.61/x
3. Step 3: Cross multiply
   2,560,323.61x = 3,842,375.16 × 1,212,483.61
4. Step 4: Simplify right side
   2,560,323.61x = 4,658,816,885,759.25
5. Step 5: Solve for x
   x = 4,658,816,885,759.25/2,560,323.61
6. Step 6: Final answer
   x = 1,819,620.33