Finding the Fourth Proportional to 41,646, 62,475.50 and 13,559.42

Step by Step Solution

1. Step 1: Write the proportion equation
   41,646 : 62,475.50 = 13,559.42 : x
2. Step 2: Convert to fraction form
   41,646/62,475.50 = 13,559.42/x
3. Step 3: Cross multiply
   41,646x = 62,475.50 × 13,559.42
4. Step 4: Simplify right side
   41,646x = 847,131,632.60
5. Step 5: Solve for x
   x = 847,131,632.60/41,646
6. Step 6: Final answer
   x = 20,341.25