Finding the Fourth Proportional to 23,456.40, 32,369.94 and 12,847.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,456.40 : 32,369.94 = 12,847.02 : x
2. Step 2: Convert to fraction form
   23,456.40/32,369.94 = 12,847.02/x
3. Step 3: Cross multiply
   23,456.40x = 32,369.94 × 12,847.02
4. Step 4: Simplify right side
   23,456.40x = 415,857,266.58
5. Step 5: Solve for x
   x = 415,857,266.58/23,456.40
6. Step 6: Final answer
   x = 17,728.95