Finding the Fourth Proportional to 2,556.89, 3,834.52 and 1,095.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.89 : 3,834.52 = 1,095.65 : x
2. Step 2: Convert to fraction form
   2,556.89/3,834.52 = 1,095.65/x
3. Step 3: Cross multiply
   2,556.89x = 3,834.52 × 1,095.65
4. Step 4: Simplify right side
   2,556.89x = 4,201,267.19
5. Step 5: Solve for x
   x = 4,201,267.19/2,556.89
6. Step 6: Final answer
   x = 1,643.12