Finding the Fourth Proportional to 2,557,900.89, 3,833,519.36 and 1,039,810.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,900.89 : 3,833,519.36 = 1,039,810.57 : x
2. Step 2: Convert to fraction form
   2,557,900.89/3,833,519.36 = 1,039,810.57/x
3. Step 3: Cross multiply
   2,557,900.89x = 3,833,519.36 × 1,039,810.57
4. Step 4: Simplify right side
   2,557,900.89x = 3,986,133,936,044.78
5. Step 5: Solve for x
   x = 3,986,133,936,044.78/2,557,900.89
6. Step 6: Final answer
   x = 1,558,361.37