Finding the Fourth Proportional to 2,605.79, 3,595.86 and 1,426.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.79 : 3,595.86 = 1,426.84 : x
2. Step 2: Convert to fraction form
   2,605.79/3,595.86 = 1,426.84/x
3. Step 3: Cross multiply
   2,605.79x = 3,595.86 × 1,426.84
4. Step 4: Simplify right side
   2,605.79x = 5,130,707.89
5. Step 5: Solve for x
   x = 5,130,707.89/2,605.79
6. Step 6: Final answer
   x = 1,968.96