Finding the Fourth Proportional to 3,128.28, 4,693.16 and 1,180.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.28 : 4,693.16 = 1,180.52 : x
2. Step 2: Convert to fraction form
   3,128.28/4,693.16 = 1,180.52/x
3. Step 3: Cross multiply
   3,128.28x = 4,693.16 × 1,180.52
4. Step 4: Simplify right side
   3,128.28x = 5,540,369.24
5. Step 5: Solve for x
   x = 5,540,369.24/3,128.28
6. Step 6: Final answer
   x = 1,771.06