Finding the Fourth Proportional to 2,556.04, 3,834.62 and 890.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.04 : 3,834.62 = 890.18 : x
2. Step 2: Convert to fraction form
   2,556.04/3,834.62 = 890.18/x
3. Step 3: Cross multiply
   2,556.04x = 3,834.62 × 890.18
4. Step 4: Simplify right side
   2,556.04x = 3,413,502.03
5. Step 5: Solve for x
   x = 3,413,502.03/2,556.04
6. Step 6: Final answer
   x = 1,335.47