Finding the Fourth Proportional to 2,273.55, 3,136.77 and 1,605.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.55 : 3,136.77 = 1,605.30 : x
2. Step 2: Convert to fraction form
   2,273.55/3,136.77 = 1,605.30/x
3. Step 3: Cross multiply
   2,273.55x = 3,136.77 × 1,605.30
4. Step 4: Simplify right side
   2,273.55x = 5,035,456.88
5. Step 5: Solve for x
   x = 5,035,456.88/2,273.55
6. Step 6: Final answer
   x = 2,214.80