Finding the Fourth Proportional to 20,105.92, 27,736.32 and 13,034.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,105.92 : 27,736.32 = 13,034.24 : x
2. Step 2: Convert to fraction form
   20,105.92/27,736.32 = 13,034.24/x
3. Step 3: Cross multiply
   20,105.92x = 27,736.32 × 13,034.24
4. Step 4: Simplify right side
   20,105.92x = 361,521,851.60
5. Step 5: Solve for x
   x = 361,521,851.60/20,105.92
6. Step 6: Final answer
   x = 17,980.87