Finding the Fourth Proportional to 2,605.79, 3,596.00 and 1,426.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.79 : 3,596.00 = 1,426.86 : x
2. Step 2: Convert to fraction form
   2,605.79/3,596.00 = 1,426.86/x
3. Step 3: Cross multiply
   2,605.79x = 3,596.00 × 1,426.86
4. Step 4: Simplify right side
   2,605.79x = 5,130,981.43
5. Step 5: Solve for x
   x = 5,130,981.43/2,605.79
6. Step 6: Final answer
   x = 1,969.07