Finding the Fourth Proportional to 2,606.12, 3,908.46 and 1,144.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.12 : 3,908.46 = 1,144.91 : x
2. Step 2: Convert to fraction form
   2,606.12/3,908.46 = 1,144.91/x
3. Step 3: Cross multiply
   2,606.12x = 3,908.46 × 1,144.91
4. Step 4: Simplify right side
   2,606.12x = 4,474,834.94
5. Step 5: Solve for x
   x = 4,474,834.94/2,606.12
6. Step 6: Final answer
   x = 1,717.05