Finding the Fourth Proportional to 89,816, 123,944.42 and 49,533.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,816 : 123,944.42 = 49,533.48 : x
2. Step 2: Convert to fraction form
   89,816/123,944.42 = 49,533.48/x
3. Step 3: Cross multiply
   89,816x = 123,944.42 × 49,533.48
4. Step 4: Simplify right side
   89,816x = 6,139,398,449.18
5. Step 5: Solve for x
   x = 6,139,398,449.18/89,816
6. Step 6: Final answer
   x = 68,355.29