Finding the Fourth Proportional to 2,610.90, 3,603.18 and 1,616.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.90 : 3,603.18 = 1,616.76 : x
2. Step 2: Convert to fraction form
   2,610.90/3,603.18 = 1,616.76/x
3. Step 3: Cross multiply
   2,610.90x = 3,603.18 × 1,616.76
4. Step 4: Simplify right side
   2,610.90x = 5,825,477.30
5. Step 5: Solve for x
   x = 5,825,477.30/2,610.90
6. Step 6: Final answer
   x = 2,231.21