Finding the Fourth Proportional to 11,831.69, 17,750.94 and 3,826.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,831.69 : 17,750.94 = 3,826.28 : x
2. Step 2: Convert to fraction form
   11,831.69/17,750.94 = 3,826.28/x
3. Step 3: Cross multiply
   11,831.69x = 17,750.94 × 3,826.28
4. Step 4: Simplify right side
   11,831.69x = 67,919,977.95
5. Step 5: Solve for x
   x = 67,919,977.95/11,831.69
6. Step 6: Final answer
   x = 5,740.52