Finding the Fourth Proportional to 51,718.56, 71,379.72 and 30,500.16

Step by Step Solution

1. Step 1: Write the proportion equation
   51,718.56 : 71,379.72 = 30,500.16 : x
2. Step 2: Convert to fraction form
   51,718.56/71,379.72 = 30,500.16/x
3. Step 3: Cross multiply
   51,718.56x = 71,379.72 × 30,500.16
4. Step 4: Simplify right side
   51,718.56x = 2,177,092,880.76
5. Step 5: Solve for x
   x = 2,177,092,880.76/51,718.56
6. Step 6: Final answer
   x = 42,095.00