Finding the Fourth Proportional to 2,605.09, 3,595 and 1,426.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.09 : 3,595 = 1,426.15 : x
2. Step 2: Convert to fraction form
   2,605.09/3,595 = 1,426.15/x
3. Step 3: Cross multiply
   2,605.09x = 3,595 × 1,426.15
4. Step 4: Simplify right side
   2,605.09x = 5,127,009.25
5. Step 5: Solve for x
   x = 5,127,009.25/2,605.09
6. Step 6: Final answer
   x = 1,968.07