Finding the Fourth Proportional to 1,250,830.71, 1,726,147.83 and 677,870.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250,830.71 : 1,726,147.83 = 677,870.85 : x
2. Step 2: Convert to fraction form
   1,250,830.71/1,726,147.83 = 677,870.85/x
3. Step 3: Cross multiply
   1,250,830.71x = 1,726,147.83 × 677,870.85
4. Step 4: Simplify right side
   1,250,830.71x = 1,170,105,296,747.76
5. Step 5: Solve for x
   x = 1,170,105,296,747.76/1,250,830.71
6. Step 6: Final answer
   x = 935,462.56