Finding the Fourth Proportional to 2,379,641.50, 3,568,120.83 and 781,775.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379,641.50 : 3,568,120.83 = 781,775.58 : x
2. Step 2: Convert to fraction form
   2,379,641.50/3,568,120.83 = 781,775.58/x
3. Step 3: Cross multiply
   2,379,641.50x = 3,568,120.83 × 781,775.58
4. Step 4: Simplify right side
   2,379,641.50x = 2,789,469,731,383.33
5. Step 5: Solve for x
   x = 2,789,469,731,383.33/2,379,641.50
6. Step 6: Final answer
   x = 1,172,222.68