Finding the Fourth Proportional to 11,822.65, 17,717.57 and 5,972.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822.65 : 17,717.57 = 5,972.42 : x
2. Step 2: Convert to fraction form
   11,822.65/17,717.57 = 5,972.42/x
3. Step 3: Cross multiply
   11,822.65x = 17,717.57 × 5,972.42
4. Step 4: Simplify right side
   11,822.65x = 105,816,769.42
5. Step 5: Solve for x
   x = 105,816,769.42/11,822.65
6. Step 6: Final answer
   x = 8,950.34