Finding the Fourth Proportional to 89,736, 123,838.24 and 49,994.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,736 : 123,838.24 = 49,994.56 : x
2. Step 2: Convert to fraction form
   89,736/123,838.24 = 49,994.56/x
3. Step 3: Cross multiply
   89,736x = 123,838.24 × 49,994.56
4. Step 4: Simplify right side
   89,736x = 6,191,238,319.97
5. Step 5: Solve for x
   x = 6,191,238,319.97/89,736
6. Step 6: Final answer
   x = 68,993.92