Finding the Fourth Proportional to 89,459.37, 123,451.49 and 49,173.14

Step by Step Solution

1. Step 1: Write the proportion equation
   89,459.37 : 123,451.49 = 49,173.14 : x
2. Step 2: Convert to fraction form
   89,459.37/123,451.49 = 49,173.14/x
3. Step 3: Cross multiply
   89,459.37x = 123,451.49 × 49,173.14
4. Step 4: Simplify right side
   89,459.37x = 6,070,497,832.54
5. Step 5: Solve for x
   x = 6,070,497,832.54/89,459.37
6. Step 6: Final answer
   x = 67,857.60