Finding the Fourth Proportional to 11,922.68, 16,443.90 and 8,336.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,922.68 : 16,443.90 = 8,336.45 : x
2. Step 2: Convert to fraction form
   11,922.68/16,443.90 = 8,336.45/x
3. Step 3: Cross multiply
   11,922.68x = 16,443.90 × 8,336.45
4. Step 4: Simplify right side
   11,922.68x = 137,083,667.94
5. Step 5: Solve for x
   x = 137,083,667.94/11,922.68
6. Step 6: Final answer
   x = 11,497.73