Finding the Fourth Proportional to 57,249.72, 79,004.87 and 31,754.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,249.72 : 79,004.87 = 31,754.31 : x
2. Step 2: Convert to fraction form
   57,249.72/79,004.87 = 31,754.31/x
3. Step 3: Cross multiply
   57,249.72x = 79,004.87 × 31,754.31
4. Step 4: Simplify right side
   57,249.72x = 2,508,744,974.72
5. Step 5: Solve for x
   x = 2,508,744,974.72/57,249.72
6. Step 6: Final answer
   x = 43,821.09