Finding the Fourth Proportional to 2,605.82, 3,595.89 and 1,426.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.82 : 3,595.89 = 1,426.66 : x
2. Step 2: Convert to fraction form
   2,605.82/3,595.89 = 1,426.66/x
3. Step 3: Cross multiply
   2,605.82x = 3,595.89 × 1,426.66
4. Step 4: Simplify right side
   2,605.82x = 5,130,111.57
5. Step 5: Solve for x
   x = 5,130,111.57/2,605.82
6. Step 6: Final answer
   x = 1,968.71