Finding the Fourth Proportional to 91,086.54, 136,589.68 and 41,164.62

Step by Step Solution

1. Step 1: Write the proportion equation
   91,086.54 : 136,589.68 = 41,164.62 : x
2. Step 2: Convert to fraction form
   91,086.54/136,589.68 = 41,164.62/x
3. Step 3: Cross multiply
   91,086.54x = 136,589.68 × 41,164.62
4. Step 4: Simplify right side
   91,086.54x = 5,622,662,273.12
5. Step 5: Solve for x
   x = 5,622,662,273.12/91,086.54
6. Step 6: Final answer
   x = 61,728.79