Finding the Fourth Proportional to 81,049.38, 111,861.10 and 47,515.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,049.38 : 111,861.10 = 47,515.38 : x
2. Step 2: Convert to fraction form
   81,049.38/111,861.10 = 47,515.38/x
3. Step 3: Cross multiply
   81,049.38x = 111,861.10 × 47,515.38
4. Step 4: Simplify right side
   81,049.38x = 5,315,122,673.72
5. Step 5: Solve for x
   x = 5,315,122,673.72/81,049.38
6. Step 6: Final answer
   x = 65,578.82