Finding the Fourth Proportional to 2,585,184.72, 3,879,548.28 and 902,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,184.72 : 3,879,548.28 = 902,288.24 : x
2. Step 2: Convert to fraction form
   2,585,184.72/3,879,548.28 = 902,288.24/x
3. Step 3: Cross multiply
   2,585,184.72x = 3,879,548.28 × 902,288.24
4. Step 4: Simplify right side
   2,585,184.72x = 3,500,470,789,556.23
5. Step 5: Solve for x
   x = 3,500,470,789,556.23/2,585,184.72
6. Step 6: Final answer
   x = 1,354,050.55