Finding the Fourth Proportional to 2,456,477.74, 3,685,061.13 and 858,677.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,477.74 : 3,685,061.13 = 858,677.41 : x
2. Step 2: Convert to fraction form
   2,456,477.74/3,685,061.13 = 858,677.41/x
3. Step 3: Cross multiply
   2,456,477.74x = 3,685,061.13 × 858,677.41
4. Step 4: Simplify right side
   2,456,477.74x = 3,164,278,732,287.95
5. Step 5: Solve for x
   x = 3,164,278,732,287.95/2,456,477.74
6. Step 6: Final answer
   x = 1,288,136.54