Finding the Fourth Proportional to 51,727.30, 71,375.04 and 30,510.77

Step by Step Solution

1. Step 1: Write the proportion equation
   51,727.30 : 71,375.04 = 30,510.77 : x
2. Step 2: Convert to fraction form
   51,727.30/71,375.04 = 30,510.77/x
3. Step 3: Cross multiply
   51,727.30x = 71,375.04 × 30,510.77
4. Step 4: Simplify right side
   51,727.30x = 2,177,707,072.31
5. Step 5: Solve for x
   x = 2,177,707,072.31/51,727.30
6. Step 6: Final answer
   x = 42,099.77