Finding the Fourth Proportional to 51,234.82, 70,709.82 and 31,096.60

Step by Step Solution

1. Step 1: Write the proportion equation
   51,234.82 : 70,709.82 = 31,096.60 : x
2. Step 2: Convert to fraction form
   51,234.82/70,709.82 = 31,096.60/x
3. Step 3: Cross multiply
   51,234.82x = 70,709.82 × 31,096.60
4. Step 4: Simplify right side
   51,234.82x = 2,198,834,988.61
5. Step 5: Solve for x
   x = 2,198,834,988.61/51,234.82
6. Step 6: Final answer
   x = 42,916.81