Finding the Fourth Proportional to 1,253,103.93, 1,729,237.10 and 680,131.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,103.93 : 1,729,237.10 = 680,131.83 : x
2. Step 2: Convert to fraction form
   1,253,103.93/1,729,237.10 = 680,131.83/x
3. Step 3: Cross multiply
   1,253,103.93x = 1,729,237.10 × 680,131.83
4. Step 4: Simplify right side
   1,253,103.93x = 1,176,109,189,926.23
5. Step 5: Solve for x
   x = 1,176,109,189,926.23/1,253,103.93
6. Step 6: Final answer
   x = 938,556.78