Finding the Fourth Proportional to 2,611.50, 3,601.83 and 1,617.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.50 : 3,601.83 = 1,617.33 : x
2. Step 2: Convert to fraction form
   2,611.50/3,601.83 = 1,617.33/x
3. Step 3: Cross multiply
   2,611.50x = 3,601.83 × 1,617.33
4. Step 4: Simplify right side
   2,611.50x = 5,825,347.71
5. Step 5: Solve for x
   x = 5,825,347.71/2,611.50
6. Step 6: Final answer
   x = 2,230.65