Finding the Fourth Proportional to 16,785.77, 23,164.20 and 9,617.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,785.77 : 23,164.20 = 9,617.00 : x
2. Step 2: Convert to fraction form
   16,785.77/23,164.20 = 9,617.00/x
3. Step 3: Cross multiply
   16,785.77x = 23,164.20 × 9,617.00
4. Step 4: Simplify right side
   16,785.77x = 222,769,995.58
5. Step 5: Solve for x
   x = 222,769,995.58/16,785.77
6. Step 6: Final answer
   x = 13,271.36