Finding the Fourth Proportional to 41,388.50, 62,101.02 and 13,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,388.50 : 62,101.02 = 13,686.50 : x
2. Step 2: Convert to fraction form
   41,388.50/62,101.02 = 13,686.50/x
3. Step 3: Cross multiply
   41,388.50x = 62,101.02 × 13,686.50
4. Step 4: Simplify right side
   41,388.50x = 849,945,610.23
5. Step 5: Solve for x
   x = 849,945,610.23/41,388.50
6. Step 6: Final answer
   x = 20,535.79