Finding the Fourth Proportional to 9,992.09, 13,808.86 and 8,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.09 : 13,808.86 = 8,196.69 : x
2. Step 2: Convert to fraction form
   9,992.09/13,808.86 = 8,196.69/x
3. Step 3: Cross multiply
   9,992.09x = 13,808.86 × 8,196.69
4. Step 4: Simplify right side
   9,992.09x = 113,186,944.67
5. Step 5: Solve for x
   x = 113,186,944.67/9,992.09
6. Step 6: Final answer
   x = 11,327.66