Finding the Fourth Proportional to 16,742.73, 23,105.01 and 9,189.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,742.73 : 23,105.01 = 9,189.12 : x
2. Step 2: Convert to fraction form
   16,742.73/23,105.01 = 9,189.12/x
3. Step 3: Cross multiply
   16,742.73x = 23,105.01 × 9,189.12
4. Step 4: Simplify right side
   16,742.73x = 212,314,709.49
5. Step 5: Solve for x
   x = 212,314,709.49/16,742.73
6. Step 6: Final answer
   x = 12,681.01