Finding the Fourth Proportional to 3,411.22, 5,097.41 and 2,561.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.22 : 5,097.41 = 2,561.38 : x
2. Step 2: Convert to fraction form
   3,411.22/5,097.41 = 2,561.38/x
3. Step 3: Cross multiply
   3,411.22x = 5,097.41 × 2,561.38
4. Step 4: Simplify right side
   3,411.22x = 13,056,388.08
5. Step 5: Solve for x
   x = 13,056,388.08/3,411.22
6. Step 6: Final answer
   x = 3,827.48