Finding the Fourth Proportional to 1,253,019.78, 1,729,168.98 and 680,059.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,019.78 : 1,729,168.98 = 680,059.95 : x
2. Step 2: Convert to fraction form
   1,253,019.78/1,729,168.98 = 680,059.95/x
3. Step 3: Cross multiply
   1,253,019.78x = 1,729,168.98 × 680,059.95
4. Step 4: Simplify right side
   1,253,019.78x = 1,175,938,571,728.62
5. Step 5: Solve for x
   x = 1,175,938,571,728.62/1,253,019.78
6. Step 6: Final answer
   x = 938,483.65