Finding the Fourth Proportional to 1,253,076.51, 1,729,199.33 and 680,104.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,076.51 : 1,729,199.33 = 680,104.38 : x
2. Step 2: Convert to fraction form
   1,253,076.51/1,729,199.33 = 680,104.38/x
3. Step 3: Cross multiply
   1,253,076.51x = 1,729,199.33 × 680,104.38
4. Step 4: Simplify right side
   1,253,076.51x = 1,176,036,034,825.54
5. Step 5: Solve for x
   x = 1,176,036,034,825.54/1,253,076.51
6. Step 6: Final answer
   x = 938,518.94