Finding the Fourth Proportional to 2,605.39, 3,595.44 and 1,426.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.39 : 3,595.44 = 1,426.47 : x
2. Step 2: Convert to fraction form
   2,605.39/3,595.44 = 1,426.47/x
3. Step 3: Cross multiply
   2,605.39x = 3,595.44 × 1,426.47
4. Step 4: Simplify right side
   2,605.39x = 5,128,769.32
5. Step 5: Solve for x
   x = 5,128,769.32/2,605.39
6. Step 6: Final answer
   x = 1,968.52