Finding the Fourth Proportional to 11,288.27, 16,933.52 and 3,891.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,288.27 : 16,933.52 = 3,891.75 : x
2. Step 2: Convert to fraction form
   11,288.27/16,933.52 = 3,891.75/x
3. Step 3: Cross multiply
   11,288.27x = 16,933.52 × 3,891.75
4. Step 4: Simplify right side
   11,288.27x = 65,901,049.34
5. Step 5: Solve for x
   x = 65,901,049.34/11,288.27
6. Step 6: Final answer
   x = 5,838.01