Finding the Fourth Proportional to 51,938.61, 71,663.72 and 31,793.91

Step by Step Solution

1. Step 1: Write the proportion equation
   51,938.61 : 71,663.72 = 31,793.91 : x
2. Step 2: Convert to fraction form
   51,938.61/71,663.72 = 31,793.91/x
3. Step 3: Cross multiply
   51,938.61x = 71,663.72 × 31,793.91
4. Step 4: Simplify right side
   51,938.61x = 2,278,469,704.98
5. Step 5: Solve for x
   x = 2,278,469,704.98/51,938.61
6. Step 6: Final answer
   x = 43,868.52