Finding the Fourth Proportional to 2,606.24, 3,908.94 and 1,145.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.24 : 3,908.94 = 1,145.12 : x
2. Step 2: Convert to fraction form
   2,606.24/3,908.94 = 1,145.12/x
3. Step 3: Cross multiply
   2,606.24x = 3,908.94 × 1,145.12
4. Step 4: Simplify right side
   2,606.24x = 4,476,205.37
5. Step 5: Solve for x
   x = 4,476,205.37/2,606.24
6. Step 6: Final answer
   x = 1,717.50