Finding the Fourth Proportional to 16,704.53, 23,036.33 and 9,989.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,704.53 : 23,036.33 = 9,989.09 : x
2. Step 2: Convert to fraction form
   16,704.53/23,036.33 = 9,989.09/x
3. Step 3: Cross multiply
   16,704.53x = 23,036.33 × 9,989.09
4. Step 4: Simplify right side
   16,704.53x = 230,111,808.51
5. Step 5: Solve for x
   x = 230,111,808.51/16,704.53
6. Step 6: Final answer
   x = 13,775.42