Finding the Fourth Proportional to 89,481.48, 123,487.40 and 49,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,481.48 : 123,487.40 = 49,196.96 : x
2. Step 2: Convert to fraction form
   89,481.48/123,487.40 = 49,196.96/x
3. Step 3: Cross multiply
   89,481.48x = 123,487.40 × 49,196.96
4. Step 4: Simplify right side
   89,481.48x = 6,075,204,678.30
5. Step 5: Solve for x
   x = 6,075,204,678.30/89,481.48
6. Step 6: Final answer
   x = 67,893.43