Finding the Fourth Proportional to 11,228.58, 16,844.60 and 3,831.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,228.58 : 16,844.60 = 3,831.31 : x
2. Step 2: Convert to fraction form
   11,228.58/16,844.60 = 3,831.31/x
3. Step 3: Cross multiply
   11,228.58x = 16,844.60 × 3,831.31
4. Step 4: Simplify right side
   11,228.58x = 64,536,851.89
5. Step 5: Solve for x
   x = 64,536,851.89/11,228.58
6. Step 6: Final answer
   x = 5,747.55