Finding the Fourth Proportional to 2,257,003.58, 3,114,664.79 and 1,290,154.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,003.58 : 3,114,664.79 = 1,290,154.64 : x
2. Step 2: Convert to fraction form
   2,257,003.58/3,114,664.79 = 1,290,154.64/x
3. Step 3: Cross multiply
   2,257,003.58x = 3,114,664.79 × 1,290,154.64
4. Step 4: Simplify right side
   2,257,003.58x = 4,018,399,208,839.03
5. Step 5: Solve for x
   x = 4,018,399,208,839.03/2,257,003.58
6. Step 6: Final answer
   x = 1,780,413.31