Finding the Fourth Proportional to 2,379,800.16, 3,571,118.55 and 863,601.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379,800.16 : 3,571,118.55 = 863,601.39 : x
2. Step 2: Convert to fraction form
   2,379,800.16/3,571,118.55 = 863,601.39/x
3. Step 3: Cross multiply
   2,379,800.16x = 3,571,118.55 × 863,601.39
4. Step 4: Simplify right side
   2,379,800.16x = 3,084,022,943,634.78
5. Step 5: Solve for x
   x = 3,084,022,943,634.78/2,379,800.16
6. Step 6: Final answer
   x = 1,295,916.77