Finding the Fourth Proportional to 1,085,907, 1,498,591.69 and 656,104.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,907 : 1,498,591.69 = 656,104.06 : x
2. Step 2: Convert to fraction form
   1,085,907/1,498,591.69 = 656,104.06/x
3. Step 3: Cross multiply
   1,085,907x = 1,498,591.69 × 656,104.06
4. Step 4: Simplify right side
   1,085,907x = 983,232,086,704.52
5. Step 5: Solve for x
   x = 983,232,086,704.52/1,085,907
6. Step 6: Final answer
   x = 905,447.78