Finding the Fourth Proportional to 85,086.66, 127,435.59 and 40,744.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,086.66 : 127,435.59 = 40,744.56 : x
2. Step 2: Convert to fraction form
   85,086.66/127,435.59 = 40,744.56/x
3. Step 3: Cross multiply
   85,086.66x = 127,435.59 × 40,744.56
4. Step 4: Simplify right side
   85,086.66x = 5,192,307,042.89
5. Step 5: Solve for x
   x = 5,192,307,042.89/85,086.66
6. Step 6: Final answer
   x = 61,023.75