Finding the Fourth Proportional to 1,253,067.98, 1,729,235.49 and 680,108.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,067.98 : 1,729,235.49 = 680,108.00 : x
2. Step 2: Convert to fraction form
   1,253,067.98/1,729,235.49 = 680,108.00/x
3. Step 3: Cross multiply
   1,253,067.98x = 1,729,235.49 × 680,108.00
4. Step 4: Simplify right side
   1,253,067.98x = 1,176,066,879,436.34
5. Step 5: Solve for x
   x = 1,176,066,879,436.34/1,253,067.98
6. Step 6: Final answer
   x = 938,549.95