Finding the Fourth Proportional to 2,605.87, 3,596.12 and 1,426.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.87 : 3,596.12 = 1,426.96 : x
2. Step 2: Convert to fraction form
   2,605.87/3,596.12 = 1,426.96/x
3. Step 3: Cross multiply
   2,605.87x = 3,596.12 × 1,426.96
4. Step 4: Simplify right side
   2,605.87x = 5,131,519.40
5. Step 5: Solve for x
   x = 5,131,519.40/2,605.87
6. Step 6: Final answer
   x = 1,969.22