Finding the Fourth Proportional to 2,456,601.33, 3,684,158.42 and 858,866.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,601.33 : 3,684,158.42 = 858,866.61 : x
2. Step 2: Convert to fraction form
   2,456,601.33/3,684,158.42 = 858,866.61/x
3. Step 3: Cross multiply
   2,456,601.33x = 3,684,158.42 × 858,866.61
4. Step 4: Simplify right side
   2,456,601.33x = 3,164,200,648,594.02
5. Step 5: Solve for x
   x = 3,164,200,648,594.02/2,456,601.33
6. Step 6: Final answer
   x = 1,288,039.95