Finding the Fourth Proportional to 23,906.24, 32,990.72 and 13,296

Step by Step Solution

1. Step 1: Write the proportion equation
   23,906.24 : 32,990.72 = 13,296 : x
2. Step 2: Convert to fraction form
   23,906.24/32,990.72 = 13,296/x
3. Step 3: Cross multiply
   23,906.24x = 32,990.72 × 13,296
4. Step 4: Simplify right side
   23,906.24x = 438,644,613.12
5. Step 5: Solve for x
   x = 438,644,613.12/23,906.24
6. Step 6: Final answer
   x = 18,348.54