Finding the Fourth Proportional to 1,909,042.10, 2,863,498.35 and 489,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909,042.10 : 2,863,498.35 = 489,112.10 : x
2. Step 2: Convert to fraction form
   1,909,042.10/2,863,498.35 = 489,112.10/x
3. Step 3: Cross multiply
   1,909,042.10x = 2,863,498.35 × 489,112.10
4. Step 4: Simplify right side
   1,909,042.10x = 1,400,571,691,315.03
5. Step 5: Solve for x
   x = 1,400,571,691,315.03/1,909,042.10
6. Step 6: Final answer
   x = 733,651.55