Finding the Fourth Proportional to 2,311,404.88, 3,189,832.72 and 1,278,895.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,404.88 : 3,189,832.72 = 1,278,895.88 : x
2. Step 2: Convert to fraction form
   2,311,404.88/3,189,832.72 = 1,278,895.88/x
3. Step 3: Cross multiply
   2,311,404.88x = 3,189,832.72 × 1,278,895.88
4. Step 4: Simplify right side
   2,311,404.88x = 4,079,463,923,497.19
5. Step 5: Solve for x
   x = 4,079,463,923,497.19/2,311,404.88
6. Step 6: Final answer
   x = 1,764,928.32