Finding the Fourth Proportional to 11,816.91, 17,717.31 and 5,886.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,816.91 : 17,717.31 = 5,886.27 : x
2. Step 2: Convert to fraction form
   11,816.91/17,717.31 = 5,886.27/x
3. Step 3: Cross multiply
   11,816.91x = 17,717.31 × 5,886.27
4. Step 4: Simplify right side
   11,816.91x = 104,288,870.33
5. Step 5: Solve for x
   x = 104,288,870.33/11,816.91
6. Step 6: Final answer
   x = 8,825.39