Finding the Fourth Proportional to 23,553.28, 32,503.98 and 12,942.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,553.28 : 32,503.98 = 12,942.28 : x
2. Step 2: Convert to fraction form
   23,553.28/32,503.98 = 12,942.28/x
3. Step 3: Cross multiply
   23,553.28x = 32,503.98 × 12,942.28
4. Step 4: Simplify right side
   23,553.28x = 420,675,610.27
5. Step 5: Solve for x
   x = 420,675,610.27/23,553.28
6. Step 6: Final answer
   x = 17,860.60