Finding the Fourth Proportional to 2,605.60, 3,595.81 and 1,426.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.60 : 3,595.81 = 1,426.67 : x
2. Step 2: Convert to fraction form
   2,605.60/3,595.81 = 1,426.67/x
3. Step 3: Cross multiply
   2,605.60x = 3,595.81 × 1,426.67
4. Step 4: Simplify right side
   2,605.60x = 5,130,034.25
5. Step 5: Solve for x
   x = 5,130,034.25/2,605.60
6. Step 6: Final answer
   x = 1,968.85