Finding the Fourth Proportional to 89,826.48, 123,966 and 49,540.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,826.48 : 123,966 = 49,540.08 : x
2. Step 2: Convert to fraction form
   89,826.48/123,966 = 49,540.08/x
3. Step 3: Cross multiply
   89,826.48x = 123,966 × 49,540.08
4. Step 4: Simplify right side
   89,826.48x = 6,141,285,557.28
5. Step 5: Solve for x
   x = 6,141,285,557.28/89,826.48
6. Step 6: Final answer
   x = 68,368.32