Finding the Fourth Proportional to 2,571,760.52, 3,857,801.02 and 678,503.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,760.52 : 3,857,801.02 = 678,503.72 : x
2. Step 2: Convert to fraction form
   2,571,760.52/3,857,801.02 = 678,503.72/x
3. Step 3: Cross multiply
   2,571,760.52x = 3,857,801.02 × 678,503.72
4. Step 4: Simplify right side
   2,571,760.52x = 2,617,532,343,089.79
5. Step 5: Solve for x
   x = 2,617,532,343,089.79/2,571,760.52
6. Step 6: Final answer
   x = 1,017,797.86