Finding the Fourth Proportional to 87,819.69, 131,729.63 and 41,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   87,819.69 : 131,729.63 = 41,105.37 : x
2. Step 2: Convert to fraction form
   87,819.69/131,729.63 = 41,105.37/x
3. Step 3: Cross multiply
   87,819.69x = 131,729.63 × 41,105.37
4. Step 4: Simplify right side
   87,819.69x = 5,414,795,181.11
5. Step 5: Solve for x
   x = 5,414,795,181.11/87,819.69
6. Step 6: Final answer
   x = 61,658.10