Finding the Fourth Proportional to 12,162.77, 16,784.73 and 6,785.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.77 : 16,784.73 = 6,785.69 : x
2. Step 2: Convert to fraction form
   12,162.77/16,784.73 = 6,785.69/x
3. Step 3: Cross multiply
   12,162.77x = 16,784.73 × 6,785.69
4. Step 4: Simplify right side
   12,162.77x = 113,895,890.59
5. Step 5: Solve for x
   x = 113,895,890.59/12,162.77
6. Step 6: Final answer
   x = 9,364.31