Finding the Fourth Proportional to 2,610.95, 3,603.38 and 1,616.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.95 : 3,603.38 = 1,616.81 : x
2. Step 2: Convert to fraction form
   2,610.95/3,603.38 = 1,616.81/x
3. Step 3: Cross multiply
   2,610.95x = 3,603.38 × 1,616.81
4. Step 4: Simplify right side
   2,610.95x = 5,825,954.72
5. Step 5: Solve for x
   x = 5,825,954.72/2,610.95
6. Step 6: Final answer
   x = 2,231.36