Finding the Fourth Proportional to 16,729.68, 23,089.02 and 9,656.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,729.68 : 23,089.02 = 9,656.10 : x
2. Step 2: Convert to fraction form
   16,729.68/23,089.02 = 9,656.10/x
3. Step 3: Cross multiply
   16,729.68x = 23,089.02 × 9,656.10
4. Step 4: Simplify right side
   16,729.68x = 222,949,849.81
5. Step 5: Solve for x
   x = 222,949,849.81/16,729.68
6. Step 6: Final answer
   x = 13,326.60