Finding the Fourth Proportional to 2,605.94, 3,596.05 and 1,426.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.94 : 3,596.05 = 1,426.78 : x
2. Step 2: Convert to fraction form
   2,605.94/3,596.05 = 1,426.78/x
3. Step 3: Cross multiply
   2,605.94x = 3,596.05 × 1,426.78
4. Step 4: Simplify right side
   2,605.94x = 5,130,778.50
5. Step 5: Solve for x
   x = 5,130,778.50/2,605.94
6. Step 6: Final answer
   x = 1,968.88