Finding the Fourth Proportional to 3,128.25, 4,693.82 and 1,180.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.25 : 4,693.82 = 1,180.29 : x
2. Step 2: Convert to fraction form
   3,128.25/4,693.82 = 1,180.29/x
3. Step 3: Cross multiply
   3,128.25x = 4,693.82 × 1,180.29
4. Step 4: Simplify right side
   3,128.25x = 5,540,062.91
5. Step 5: Solve for x
   x = 5,540,062.91/3,128.25
6. Step 6: Final answer
   x = 1,770.98