Finding the Fourth Proportional to 2,605.50, 3,595.56 and 1,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.50 : 3,595.56 = 1,426.56 : x
2. Step 2: Convert to fraction form
   2,605.50/3,595.56 = 1,426.56/x
3. Step 3: Cross multiply
   2,605.50x = 3,595.56 × 1,426.56
4. Step 4: Simplify right side
   2,605.50x = 5,129,282.07
5. Step 5: Solve for x
   x = 5,129,282.07/2,605.50
6. Step 6: Final answer
   x = 1,968.64