Finding the Fourth Proportional to 2,605.83, 3,596.04 and 1,426.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.83 : 3,596.04 = 1,426.90 : x
2. Step 2: Convert to fraction form
   2,605.83/3,596.04 = 1,426.90/x
3. Step 3: Cross multiply
   2,605.83x = 3,596.04 × 1,426.90
4. Step 4: Simplify right side
   2,605.83x = 5,131,189.48
5. Step 5: Solve for x
   x = 5,131,189.48/2,605.83
6. Step 6: Final answer
   x = 1,969.12