Finding the Fourth Proportional to 2,659.27, 3,669.61 and 1,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.27 : 3,669.61 = 1,664.50 : x
2. Step 2: Convert to fraction form
   2,659.27/3,669.61 = 1,664.50/x
3. Step 3: Cross multiply
   2,659.27x = 3,669.61 × 1,664.50
4. Step 4: Simplify right side
   2,659.27x = 6,108,065.85
5. Step 5: Solve for x
   x = 6,108,065.85/2,659.27
6. Step 6: Final answer
   x = 2,296.90