Finding the Fourth Proportional to 89,796.46, 123,919.98 and 49,511.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,796.46 : 123,919.98 = 49,511.80 : x
2. Step 2: Convert to fraction form
   89,796.46/123,919.98 = 49,511.80/x
3. Step 3: Cross multiply
   89,796.46x = 123,919.98 × 49,511.80
4. Step 4: Simplify right side
   89,796.46x = 6,135,501,265.76
5. Step 5: Solve for x
   x = 6,135,501,265.76/89,796.46
6. Step 6: Final answer
   x = 68,326.76