Finding the Fourth Proportional to 2,308,291.19, 3,185,606.69 and 1,275,776.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,291.19 : 3,185,606.69 = 1,275,776.79 : x
2. Step 2: Convert to fraction form
   2,308,291.19/3,185,606.69 = 1,275,776.79/x
3. Step 3: Cross multiply
   2,308,291.19x = 3,185,606.69 × 1,275,776.79
4. Step 4: Simplify right side
   2,308,291.19x = 4,064,123,070,791.84
5. Step 5: Solve for x
   x = 4,064,123,070,791.84/2,308,291.19
6. Step 6: Final answer
   x = 1,760,663.08