Finding the Fourth Proportional to 2,629.67, 3,945.23 and 1,148.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.67 : 3,945.23 = 1,148.61 : x
2. Step 2: Convert to fraction form
   2,629.67/3,945.23 = 1,148.61/x
3. Step 3: Cross multiply
   2,629.67x = 3,945.23 × 1,148.61
4. Step 4: Simplify right side
   2,629.67x = 4,531,524.89
5. Step 5: Solve for x
   x = 4,531,524.89/2,629.67
6. Step 6: Final answer
   x = 1,723.23