Finding the Fourth Proportional to 41,147.05, 61,722.71 and 13,069.30

Step by Step Solution

1. Step 1: Write the proportion equation
   41,147.05 : 61,722.71 = 13,069.30 : x
2. Step 2: Convert to fraction form
   41,147.05/61,722.71 = 13,069.30/x
3. Step 3: Cross multiply
   41,147.05x = 61,722.71 × 13,069.30
4. Step 4: Simplify right side
   41,147.05x = 806,672,613.80
5. Step 5: Solve for x
   x = 806,672,613.80/41,147.05
6. Step 6: Final answer
   x = 19,604.63