Finding the Fourth Proportional to 12,164.69, 16,786.76 and 6,860.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.69 : 16,786.76 = 6,860.00 : x
2. Step 2: Convert to fraction form
   12,164.69/16,786.76 = 6,860.00/x
3. Step 3: Cross multiply
   12,164.69x = 16,786.76 × 6,860.00
4. Step 4: Simplify right side
   12,164.69x = 115,157,055.37
5. Step 5: Solve for x
   x = 115,157,055.37/12,164.69
6. Step 6: Final answer
   x = 9,466.51