Finding the Fourth Proportional to 2,605.91, 3,596.04 and 1,426.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.91 : 3,596.04 = 1,426.95 : x
2. Step 2: Convert to fraction form
   2,605.91/3,596.04 = 1,426.95/x
3. Step 3: Cross multiply
   2,605.91x = 3,596.04 × 1,426.95
4. Step 4: Simplify right side
   2,605.91x = 5,131,369.28
5. Step 5: Solve for x
   x = 5,131,369.28/2,605.91
6. Step 6: Final answer
   x = 1,969.13