Finding the Fourth Proportional to 2,608.28, 3,910.29 and 1,146.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.28 : 3,910.29 = 1,146.38 : x
2. Step 2: Convert to fraction form
   2,608.28/3,910.29 = 1,146.38/x
3. Step 3: Cross multiply
   2,608.28x = 3,910.29 × 1,146.38
4. Step 4: Simplify right side
   2,608.28x = 4,482,678.25
5. Step 5: Solve for x
   x = 4,482,678.25/2,608.28
6. Step 6: Final answer
   x = 1,718.63