Finding the Fourth Proportional to 11,228.72, 16,838.20 and 5,962.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,228.72 : 16,838.20 = 5,962.58 : x
2. Step 2: Convert to fraction form
   11,228.72/16,838.20 = 5,962.58/x
3. Step 3: Cross multiply
   11,228.72x = 16,838.20 × 5,962.58
4. Step 4: Simplify right side
   11,228.72x = 100,399,067.42
5. Step 5: Solve for x
   x = 100,399,067.42/11,228.72
6. Step 6: Final answer
   x = 8,941.28