Finding the Fourth Proportional to 41,786.72, 62,693.04 and 13,707

Step by Step Solution

1. Step 1: Write the proportion equation
   41,786.72 : 62,693.04 = 13,707 : x
2. Step 2: Convert to fraction form
   41,786.72/62,693.04 = 13,707/x
3. Step 3: Cross multiply
   41,786.72x = 62,693.04 × 13,707
4. Step 4: Simplify right side
   41,786.72x = 859,333,499.28
5. Step 5: Solve for x
   x = 859,333,499.28/41,786.72
6. Step 6: Final answer
   x = 20,564.75