Finding the Fourth Proportional to 2,603.50, 3,594.01 and 1,660.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.50 : 3,594.01 = 1,660.58 : x
2. Step 2: Convert to fraction form
   2,603.50/3,594.01 = 1,660.58/x
3. Step 3: Cross multiply
   2,603.50x = 3,594.01 × 1,660.58
4. Step 4: Simplify right side
   2,603.50x = 5,968,155.30
5. Step 5: Solve for x
   x = 5,968,155.30/2,603.50
6. Step 6: Final answer
   x = 2,292.36