Finding the Fourth Proportional to 2,298,934.98, 3,172,628.79 and 1,280,339.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,934.98 : 3,172,628.79 = 1,280,339.73 : x
2. Step 2: Convert to fraction form
   2,298,934.98/3,172,628.79 = 1,280,339.73/x
3. Step 3: Cross multiply
   2,298,934.98x = 3,172,628.79 × 1,280,339.73
4. Step 4: Simplify right side
   2,298,934.98x = 4,062,042,688,378.83
5. Step 5: Solve for x
   x = 4,062,042,688,378.83/2,298,934.98
6. Step 6: Final answer
   x = 1,766,923.69