Finding the Fourth Proportional to 11,815.27, 17,744.77 and 7,922.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,815.27 : 17,744.77 = 7,922.41 : x
2. Step 2: Convert to fraction form
   11,815.27/17,744.77 = 7,922.41/x
3. Step 3: Cross multiply
   11,815.27x = 17,744.77 × 7,922.41
4. Step 4: Simplify right side
   11,815.27x = 140,581,308.84
5. Step 5: Solve for x
   x = 140,581,308.84/11,815.27
6. Step 6: Final answer
   x = 11,898.28