Finding the Fourth Proportional to 2,308,290.97, 3,185,606.46 and 1,275,776.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,290.97 : 3,185,606.46 = 1,275,776.55 : x
2. Step 2: Convert to fraction form
   2,308,290.97/3,185,606.46 = 1,275,776.55/x
3. Step 3: Cross multiply
   2,308,290.97x = 3,185,606.46 × 1,275,776.55
4. Step 4: Simplify right side
   2,308,290.97x = 4,064,122,019,196.51
5. Step 5: Solve for x
   x = 4,064,122,019,196.51/2,308,290.97
6. Step 6: Final answer
   x = 1,760,662.79