Finding the Fourth Proportional to 41,744.58, 57,662.73 and 31,115.76

Step by Step Solution

1. Step 1: Write the proportion equation
   41,744.58 : 57,662.73 = 31,115.76 : x
2. Step 2: Convert to fraction form
   41,744.58/57,662.73 = 31,115.76/x
3. Step 3: Cross multiply
   41,744.58x = 57,662.73 × 31,115.76
4. Step 4: Simplify right side
   41,744.58x = 1,794,219,667.62
5. Step 5: Solve for x
   x = 1,794,219,667.62/41,744.58
6. Step 6: Final answer
   x = 42,980.90