Finding the Fourth Proportional to 72,447.94, 108,745.68 and 49,960.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,447.94 : 108,745.68 = 49,960.06 : x
2. Step 2: Convert to fraction form
   72,447.94/108,745.68 = 49,960.06/x
3. Step 3: Cross multiply
   72,447.94x = 108,745.68 × 49,960.06
4. Step 4: Simplify right side
   72,447.94x = 5,432,940,697.54
5. Step 5: Solve for x
   x = 5,432,940,697.54/72,447.94
6. Step 6: Final answer
   x = 74,990.96