Finding the Fourth Proportional to 41,406, 62,118.72 and 13,704

Step by Step Solution

1. Step 1: Write the proportion equation
   41,406 : 62,118.72 = 13,704 : x
2. Step 2: Convert to fraction form
   41,406/62,118.72 = 13,704/x
3. Step 3: Cross multiply
   41,406x = 62,118.72 × 13,704
4. Step 4: Simplify right side
   41,406x = 851,274,938.88
5. Step 5: Solve for x
   x = 851,274,938.88/41,406
6. Step 6: Final answer
   x = 20,559.22