Finding the Fourth Proportional to 89,472.56, 123,464.94 and 49,185.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,472.56 : 123,464.94 = 49,185.32 : x
2. Step 2: Convert to fraction form
   89,472.56/123,464.94 = 49,185.32/x
3. Step 3: Cross multiply
   89,472.56x = 123,464.94 × 49,185.32
4. Step 4: Simplify right side
   89,472.56x = 6,072,662,582.68
5. Step 5: Solve for x
   x = 6,072,662,582.68/89,472.56
6. Step 6: Final answer
   x = 67,871.79