Finding the Fourth Proportional to 51,723.98, 71,392.73 and 30,517.37

Step by Step Solution

1. Step 1: Write the proportion equation
   51,723.98 : 71,392.73 = 30,517.37 : x
2. Step 2: Convert to fraction form
   51,723.98/71,392.73 = 30,517.37/x
3. Step 3: Cross multiply
   51,723.98x = 71,392.73 × 30,517.37
4. Step 4: Simplify right side
   51,723.98x = 2,178,718,356.72
5. Step 5: Solve for x
   x = 2,178,718,356.72/51,723.98
6. Step 6: Final answer
   x = 42,122.02