Finding the Fourth Proportional to 2,608.62, 3,914.25 and 1,148.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.62 : 3,914.25 = 1,148.79 : x
2. Step 2: Convert to fraction form
   2,608.62/3,914.25 = 1,148.79/x
3. Step 3: Cross multiply
   2,608.62x = 3,914.25 × 1,148.79
4. Step 4: Simplify right side
   2,608.62x = 4,496,651.26
5. Step 5: Solve for x
   x = 4,496,651.26/2,608.62
6. Step 6: Final answer
   x = 1,723.77