Finding the Fourth Proportional to 2,605.15, 3,594.90 and 1,426.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.15 : 3,594.90 = 1,426.21 : x
2. Step 2: Convert to fraction form
   2,605.15/3,594.90 = 1,426.21/x
3. Step 3: Cross multiply
   2,605.15x = 3,594.90 × 1,426.21
4. Step 4: Simplify right side
   2,605.15x = 5,127,082.33
5. Step 5: Solve for x
   x = 5,127,082.33/2,605.15
6. Step 6: Final answer
   x = 1,968.06