Finding the Fourth Proportional to 72,911.56, 100,610.76 and 41,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,911.56 : 100,610.76 = 41,086.12 : x
2. Step 2: Convert to fraction form
   72,911.56/100,610.76 = 41,086.12/x
3. Step 3: Cross multiply
   72,911.56x = 100,610.76 × 41,086.12
4. Step 4: Simplify right side
   72,911.56x = 4,133,705,758.65
5. Step 5: Solve for x
   x = 4,133,705,758.65/72,911.56
6. Step 6: Final answer
   x = 56,694.79