Finding the Fourth Proportional to 2,585,187.72, 3,879,552.78 and 902,291.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,187.72 : 3,879,552.78 = 902,291.22 : x
2. Step 2: Convert to fraction form
   2,585,187.72/3,879,552.78 = 902,291.22/x
3. Step 3: Cross multiply
   2,585,187.72x = 3,879,552.78 × 902,291.22
4. Step 4: Simplify right side
   2,585,187.72x = 3,500,486,410,920.59
5. Step 5: Solve for x
   x = 3,500,486,410,920.59/2,585,187.72
6. Step 6: Final answer
   x = 1,354,055.02