Finding the Fourth Proportional to 2,426.70, 3,632.85 and 1,605.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.70 : 3,632.85 = 1,605.90 : x
2. Step 2: Convert to fraction form
   2,426.70/3,632.85 = 1,605.90/x
3. Step 3: Cross multiply
   2,426.70x = 3,632.85 × 1,605.90
4. Step 4: Simplify right side
   2,426.70x = 5,833,993.82
5. Step 5: Solve for x
   x = 5,833,993.82/2,426.70
6. Step 6: Final answer
   x = 2,404.09