Finding the Fourth Proportional to 12,716.38, 19,074.16 and 3,831.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,716.38 : 19,074.16 = 3,831.76 : x
2. Step 2: Convert to fraction form
   12,716.38/19,074.16 = 3,831.76/x
3. Step 3: Cross multiply
   12,716.38x = 19,074.16 × 3,831.76
4. Step 4: Simplify right side
   12,716.38x = 73,087,603.32
5. Step 5: Solve for x
   x = 73,087,603.32/12,716.38
6. Step 6: Final answer
   x = 5,747.52