Finding the Fourth Proportional to 2,585,181.72, 3,879,543.78 and 902,285.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,181.72 : 3,879,543.78 = 902,285.22 : x
2. Step 2: Convert to fraction form
   2,585,181.72/3,879,543.78 = 902,285.22/x
3. Step 3: Cross multiply
   2,585,181.72x = 3,879,543.78 × 902,285.22
4. Step 4: Simplify right side
   2,585,181.72x = 3,500,455,013,036.93
5. Step 5: Solve for x
   x = 3,500,455,013,036.93/2,585,181.72
6. Step 6: Final answer
   x = 1,354,046.02