Finding the Fourth Proportional to 72,194.88, 99,443.88 and 50,936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,194.88 : 99,443.88 = 50,936.88 : x
2. Step 2: Convert to fraction form
   72,194.88/99,443.88 = 50,936.88/x
3. Step 3: Cross multiply
   72,194.88x = 99,443.88 × 50,936.88
4. Step 4: Simplify right side
   72,194.88x = 5,065,360,982.29
5. Step 5: Solve for x
   x = 5,065,360,982.29/72,194.88
6. Step 6: Final answer
   x = 70,162.33