Finding the Fourth Proportional to 31,911.72, 44,003.70 and 31,185.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,911.72 : 44,003.70 = 31,185.96 : x
2. Step 2: Convert to fraction form
   31,911.72/44,003.70 = 31,185.96/x
3. Step 3: Cross multiply
   31,911.72x = 44,003.70 × 31,185.96
4. Step 4: Simplify right side
   31,911.72x = 1,372,297,628.05
5. Step 5: Solve for x
   x = 1,372,297,628.05/31,911.72
6. Step 6: Final answer
   x = 43,002.94