Finding the Fourth Proportional to 2,605.56, 3,595.69 and 1,426.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.56 : 3,595.69 = 1,426.74 : x
2. Step 2: Convert to fraction form
   2,605.56/3,595.69 = 1,426.74/x
3. Step 3: Cross multiply
   2,605.56x = 3,595.69 × 1,426.74
4. Step 4: Simplify right side
   2,605.56x = 5,130,107.62
5. Step 5: Solve for x
   x = 5,130,107.62/2,605.56
6. Step 6: Final answer
   x = 1,968.91