Finding the Fourth Proportional to 2,605.70, 3,595.73 and 1,426.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.70 : 3,595.73 = 1,426.55 : x
2. Step 2: Convert to fraction form
   2,605.70/3,595.73 = 1,426.55/x
3. Step 3: Cross multiply
   2,605.70x = 3,595.73 × 1,426.55
4. Step 4: Simplify right side
   2,605.70x = 5,129,463.52
5. Step 5: Solve for x
   x = 5,129,463.52/2,605.70
6. Step 6: Final answer
   x = 1,968.55