Finding the Fourth Proportional to 2,576.09, 3,865.55 and 1,095.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.09 : 3,865.55 = 1,095.08 : x
2. Step 2: Convert to fraction form
   2,576.09/3,865.55 = 1,095.08/x
3. Step 3: Cross multiply
   2,576.09x = 3,865.55 × 1,095.08
4. Step 4: Simplify right side
   2,576.09x = 4,233,081.02
5. Step 5: Solve for x
   x = 4,233,081.02/2,576.09
6. Step 6: Final answer
   x = 1,643.22