Finding the Fourth Proportional to 2,321.82, 3,205.56 and 1,613.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.82 : 3,205.56 = 1,613.46 : x
2. Step 2: Convert to fraction form
   2,321.82/3,205.56 = 1,613.46/x
3. Step 3: Cross multiply
   2,321.82x = 3,205.56 × 1,613.46
4. Step 4: Simplify right side
   2,321.82x = 5,172,042.84
5. Step 5: Solve for x
   x = 5,172,042.84/2,321.82
6. Step 6: Final answer
   x = 2,227.58