Finding the Fourth Proportional to 2,606.31, 3,597.37 and 1,611

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.31 : 3,597.37 = 1,611 : x
2. Step 2: Convert to fraction form
   2,606.31/3,597.37 = 1,611/x
3. Step 3: Cross multiply
   2,606.31x = 3,597.37 × 1,611
4. Step 4: Simplify right side
   2,606.31x = 5,795,359.04
5. Step 5: Solve for x
   x = 5,795,359.04/2,606.31
6. Step 6: Final answer
   x = 2,223.59