Finding the Fourth Proportional to 3,831.12, 5,748.18 and 3,097.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,831.12 : 5,748.18 = 3,097.58 : x
2. Step 2: Convert to fraction form
   3,831.12/5,748.18 = 3,097.58/x
3. Step 3: Cross multiply
   3,831.12x = 5,748.18 × 3,097.58
4. Step 4: Simplify right side
   3,831.12x = 17,805,447.40
5. Step 5: Solve for x
   x = 17,805,447.40/3,831.12
6. Step 6: Final answer
   x = 4,647.58