Finding the Fourth Proportional to 41,030.72, 56,860.22 and 40,243.28

Step by Step Solution

1. Step 1: Write the proportion equation
   41,030.72 : 56,860.22 = 40,243.28 : x
2. Step 2: Convert to fraction form
   41,030.72/56,860.22 = 40,243.28/x
3. Step 3: Cross multiply
   41,030.72x = 56,860.22 × 40,243.28
4. Step 4: Simplify right side
   41,030.72x = 2,288,241,754.32
5. Step 5: Solve for x
   x = 2,288,241,754.32/41,030.72
6. Step 6: Final answer
   x = 55,768.99