Finding the Fourth Proportional to 2,631,556.80, 3,947,478.71 and 834,310.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,556.80 : 3,947,478.71 = 834,310.27 : x
2. Step 2: Convert to fraction form
   2,631,556.80/3,947,478.71 = 834,310.27/x
3. Step 3: Cross multiply
   2,631,556.80x = 3,947,478.71 × 834,310.27
4. Step 4: Simplify right side
   2,631,556.80x = 3,293,422,028,359.35
5. Step 5: Solve for x
   x = 3,293,422,028,359.35/2,631,556.80
6. Step 6: Final answer
   x = 1,251,510.90