Finding the Fourth Proportional to 2,608.02, 3,909.81 and 1,146.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.02 : 3,909.81 = 1,146.06 : x
2. Step 2: Convert to fraction form
   2,608.02/3,909.81 = 1,146.06/x
3. Step 3: Cross multiply
   2,608.02x = 3,909.81 × 1,146.06
4. Step 4: Simplify right side
   2,608.02x = 4,480,876.85
5. Step 5: Solve for x
   x = 4,480,876.85/2,608.02
6. Step 6: Final answer
   x = 1,718.11