Finding the Fourth Proportional to 72,624.94, 108,979.61 and 30,501.79

Step by Step Solution

1. Step 1: Write the proportion equation
   72,624.94 : 108,979.61 = 30,501.79 : x
2. Step 2: Convert to fraction form
   72,624.94/108,979.61 = 30,501.79/x
3. Step 3: Cross multiply
   72,624.94x = 108,979.61 × 30,501.79
4. Step 4: Simplify right side
   72,624.94x = 3,324,072,753.54
5. Step 5: Solve for x
   x = 3,324,072,753.54/72,624.94
6. Step 6: Final answer
   x = 45,770.40