Finding the Fourth Proportional to 3,609.42, 5,417.55 and 1,761.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.42 : 5,417.55 = 1,761.54 : x
2. Step 2: Convert to fraction form
   3,609.42/5,417.55 = 1,761.54/x
3. Step 3: Cross multiply
   3,609.42x = 5,417.55 × 1,761.54
4. Step 4: Simplify right side
   3,609.42x = 9,543,231.03
5. Step 5: Solve for x
   x = 9,543,231.03/3,609.42
6. Step 6: Final answer
   x = 2,643.98