Finding the Fourth Proportional to 40,918.78, 56,499.69 and 31,950.73

Step by Step Solution

1. Step 1: Write the proportion equation
   40,918.78 : 56,499.69 = 31,950.73 : x
2. Step 2: Convert to fraction form
   40,918.78/56,499.69 = 31,950.73/x
3. Step 3: Cross multiply
   40,918.78x = 56,499.69 × 31,950.73
4. Step 4: Simplify right side
   40,918.78x = 1,805,206,340.27
5. Step 5: Solve for x
   x = 1,805,206,340.27/40,918.78
6. Step 6: Final answer
   x = 44,116.82