Finding the Fourth Proportional to 51,601.72, 71,223.04 and 31,469.70

Step by Step Solution

1. Step 1: Write the proportion equation
   51,601.72 : 71,223.04 = 31,469.70 : x
2. Step 2: Convert to fraction form
   51,601.72/71,223.04 = 31,469.70/x
3. Step 3: Cross multiply
   51,601.72x = 71,223.04 × 31,469.70
4. Step 4: Simplify right side
   51,601.72x = 2,241,367,701.89
5. Step 5: Solve for x
   x = 2,241,367,701.89/51,601.72
6. Step 6: Final answer
   x = 43,435.91