Finding the Fourth Proportional to 16,899.16, 23,322.59 and 9,729.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899.16 : 23,322.59 = 9,729.33 : x
2. Step 2: Convert to fraction form
   16,899.16/23,322.59 = 9,729.33/x
3. Step 3: Cross multiply
   16,899.16x = 23,322.59 × 9,729.33
4. Step 4: Simplify right side
   16,899.16x = 226,913,257.19
5. Step 5: Solve for x
   x = 226,913,257.19/16,899.16
6. Step 6: Final answer
   x = 13,427.49