Finding the Fourth Proportional to 72,446.94, 108,744.18 and 49,959.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,446.94 : 108,744.18 = 49,959.06 : x
2. Step 2: Convert to fraction form
   72,446.94/108,744.18 = 49,959.06/x
3. Step 3: Cross multiply
   72,446.94x = 108,744.18 × 49,959.06
4. Step 4: Simplify right side
   72,446.94x = 5,432,757,013.27
5. Step 5: Solve for x
   x = 5,432,757,013.27/72,446.94
6. Step 6: Final answer
   x = 74,989.46