Finding the Fourth Proportional to 2,619.54, 3,613.71 and 1,610.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.54 : 3,613.71 = 1,610.79 : x
2. Step 2: Convert to fraction form
   2,619.54/3,613.71 = 1,610.79/x
3. Step 3: Cross multiply
   2,619.54x = 3,613.71 × 1,610.79
4. Step 4: Simplify right side
   2,619.54x = 5,820,920.42
5. Step 5: Solve for x
   x = 5,820,920.42/2,619.54
6. Step 6: Final answer
   x = 2,222.12