Finding the Fourth Proportional to 2,288,458.98, 3,431,353.59 and 690,542.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288,458.98 : 3,431,353.59 = 690,542.82 : x
2. Step 2: Convert to fraction form
   2,288,458.98/3,431,353.59 = 690,542.82/x
3. Step 3: Cross multiply
   2,288,458.98x = 3,431,353.59 × 690,542.82
4. Step 4: Simplify right side
   2,288,458.98x = 2,369,496,584,455.72
5. Step 5: Solve for x
   x = 2,369,496,584,455.72/2,288,458.98
6. Step 6: Final answer
   x = 1,035,411.43