Finding the Fourth Proportional to 2,605.56, 3,595.67 and 1,426.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.56 : 3,595.67 = 1,426.63 : x
2. Step 2: Convert to fraction form
   2,605.56/3,595.67 = 1,426.63/x
3. Step 3: Cross multiply
   2,605.56x = 3,595.67 × 1,426.63
4. Step 4: Simplify right side
   2,605.56x = 5,129,665.58
5. Step 5: Solve for x
   x = 5,129,665.58/2,605.56
6. Step 6: Final answer
   x = 1,968.74