Finding the Fourth Proportional to 2,613.24, 3,605.94 and 1,617.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.24 : 3,605.94 = 1,617.45 : x
2. Step 2: Convert to fraction form
   2,613.24/3,605.94 = 1,617.45/x
3. Step 3: Cross multiply
   2,613.24x = 3,605.94 × 1,617.45
4. Step 4: Simplify right side
   2,613.24x = 5,832,427.65
5. Step 5: Solve for x
   x = 5,832,427.65/2,613.24
6. Step 6: Final answer
   x = 2,231.88