Finding the Fourth Proportional to 2,608.27, 3,599.47 and 1,613.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.27 : 3,599.47 = 1,613.53 : x
2. Step 2: Convert to fraction form
   2,608.27/3,599.47 = 1,613.53/x
3. Step 3: Cross multiply
   2,608.27x = 3,599.47 × 1,613.53
4. Step 4: Simplify right side
   2,608.27x = 5,807,844.76
5. Step 5: Solve for x
   x = 5,807,844.76/2,608.27
6. Step 6: Final answer
   x = 2,226.70