Finding the Fourth Proportional to 2,605.80, 3,593.43 and 1,610.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.80 : 3,593.43 = 1,610.88 : x
2. Step 2: Convert to fraction form
   2,605.80/3,593.43 = 1,610.88/x
3. Step 3: Cross multiply
   2,605.80x = 3,593.43 × 1,610.88
4. Step 4: Simplify right side
   2,605.80x = 5,788,584.52
5. Step 5: Solve for x
   x = 5,788,584.52/2,605.80
6. Step 6: Final answer
   x = 2,221.42