Finding the Fourth Proportional to 12,091.59, 16,686.77 and 6,786.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,091.59 : 16,686.77 = 6,786.27 : x
2. Step 2: Convert to fraction form
   12,091.59/16,686.77 = 6,786.27/x
3. Step 3: Cross multiply
   12,091.59x = 16,686.77 × 6,786.27
4. Step 4: Simplify right side
   12,091.59x = 113,240,892.72
5. Step 5: Solve for x
   x = 113,240,892.72/12,091.59
6. Step 6: Final answer
   x = 9,365.26