Finding the Fourth Proportional to 41,747.40, 57,618.72 and 31,709.07

Step by Step Solution

1. Step 1: Write the proportion equation
   41,747.40 : 57,618.72 = 31,709.07 : x
2. Step 2: Convert to fraction form
   41,747.40/57,618.72 = 31,709.07/x
3. Step 3: Cross multiply
   41,747.40x = 57,618.72 × 31,709.07
4. Step 4: Simplify right side
   41,747.40x = 1,827,036,025.79
5. Step 5: Solve for x
   x = 1,827,036,025.79/41,747.40
6. Step 6: Final answer
   x = 43,764.07