Finding the Fourth Proportional to 2,606.10, 3,593.51 and 1,660.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.10 : 3,593.51 = 1,660.38 : x
2. Step 2: Convert to fraction form
   2,606.10/3,593.51 = 1,660.38/x
3. Step 3: Cross multiply
   2,606.10x = 3,593.51 × 1,660.38
4. Step 4: Simplify right side
   2,606.10x = 5,966,583.83
5. Step 5: Solve for x
   x = 5,966,583.83/2,606.10
6. Step 6: Final answer
   x = 2,289.47