Finding the Fourth Proportional to 51,711.42, 71,361.72 and 29,355.42

Step by Step Solution

1. Step 1: Write the proportion equation
   51,711.42 : 71,361.72 = 29,355.42 : x
2. Step 2: Convert to fraction form
   51,711.42/71,361.72 = 29,355.42/x
3. Step 3: Cross multiply
   51,711.42x = 71,361.72 × 29,355.42
4. Step 4: Simplify right side
   51,711.42x = 2,094,853,262.52
5. Step 5: Solve for x
   x = 2,094,853,262.52/51,711.42
6. Step 6: Final answer
   x = 40,510.46