Finding the Fourth Proportional to 2,571,729.46, 3,857,754.54 and 678,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,729.46 : 3,857,754.54 = 678,472.72 : x
2. Step 2: Convert to fraction form
   2,571,729.46/3,857,754.54 = 678,472.72/x
3. Step 3: Cross multiply
   2,571,729.46x = 3,857,754.54 × 678,472.72
4. Step 4: Simplify right side
   2,571,729.46x = 2,617,381,215,846.15
5. Step 5: Solve for x
   x = 2,617,381,215,846.15/2,571,729.46
6. Step 6: Final answer
   x = 1,017,751.38