Finding the Fourth Proportional to 1,978,680.96, 2,729,288.52 and 1,252,771.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,680.96 : 2,729,288.52 = 1,252,771.92 : x
2. Step 2: Convert to fraction form
   1,978,680.96/2,729,288.52 = 1,252,771.92/x
3. Step 3: Cross multiply
   1,978,680.96x = 2,729,288.52 × 1,252,771.92
4. Step 4: Simplify right side
   1,978,680.96x = 3,419,176,019,434.36
5. Step 5: Solve for x
   x = 3,419,176,019,434.36/1,978,680.96
6. Step 6: Final answer
   x = 1,728,007.74