Finding the Fourth Proportional to 41,789.48, 62,686.32 and 13,707.05

Step by Step Solution

1. Step 1: Write the proportion equation
   41,789.48 : 62,686.32 = 13,707.05 : x
2. Step 2: Convert to fraction form
   41,789.48/62,686.32 = 13,707.05/x
3. Step 3: Cross multiply
   41,789.48x = 62,686.32 × 13,707.05
4. Step 4: Simplify right side
   41,789.48x = 859,244,627.87
5. Step 5: Solve for x
   x = 859,244,627.87/41,789.48
6. Step 6: Final answer
   x = 20,561.27