Finding the Fourth Proportional to 2,653.59, 3,660.89 and 1,603.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.59 : 3,660.89 = 1,603.83 : x
2. Step 2: Convert to fraction form
   2,653.59/3,660.89 = 1,603.83/x
3. Step 3: Cross multiply
   2,653.59x = 3,660.89 × 1,603.83
4. Step 4: Simplify right side
   2,653.59x = 5,871,437.19
5. Step 5: Solve for x
   x = 5,871,437.19/2,653.59
6. Step 6: Final answer
   x = 2,212.64