Finding the Fourth Proportional to 2,311,329.96, 3,189,618 and 1,292,734.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,329.96 : 3,189,618 = 1,292,734.71 : x
2. Step 2: Convert to fraction form
   2,311,329.96/3,189,618 = 1,292,734.71/x
3. Step 3: Cross multiply
   2,311,329.96x = 3,189,618 × 1,292,734.71
4. Step 4: Simplify right side
   2,311,329.96x = 4,123,329,900,240.78
5. Step 5: Solve for x
   x = 4,123,329,900,240.78/2,311,329.96
6. Step 6: Final answer
   x = 1,783,964.20